Glasgow Warriors scrapped to a second straight bonus-point win, beating Zebre to move within two points of third-placed Cheetahs in Pro14 Conference A.

George Horne burrowed over for the opening try then finished a brilliant second before Adam Hastings darted in.

Ratu Tagive secured the bonus-point score six minutes into the second half and home flanker Johan Meyer was sent off for a dangerous shoulder charge.

Zebre struck back through Pierre Bruno but Nick Frisby got a fifth away try.

The win is Warriors' third in six league matches, and after last weekend's 50-0 thrashing of Southern Kings, ensures they begin their European Champions Cup campaign on the back of two bonus-point victories.

Glasgow stay fourth in their conference, with the Cheetahs taking on Cardiff Blues in Wales later on Saturday.

Winless Zebre remain bottom of the table, with only two points from their six fixtures.

This was a professional Glasgow display against a deeply troubled opponent that can still take a bit of beating on their rutted gluepot of a pitch.

The electric Horne ignited a turgid opening with two typically ruthless finishes. The little scrum-half took a quick-tap penalty and squirmed his way through the bruisers to open the scoring, Giovanni Licata sin-binned for killing the ball in the build-up and Hastings converting.

Then Horne dashed away to cap a glorious first-phase strike play, Fraser Brown rumbling off the back of a line-out before flicking inside to Tagive, who scorched clear off his wing and put his half-back away.

Horne delights in gobbling up these opportunities - the double took his tally to an astonishing 24 tries in 44 Warriors outings.

The pressure kept coming. Tagive, Brown and more of the heavy artillery powered Glasgow into the home 22 again. Hastings dummied and stretched to score and convert for a 19-0 half-time lead.

Tagive galloped in, wrapping up the bonus point six minutes after the break, a second try in as many matches for the winger on his first start in 20 months.

Things continued to unravel for Zebre, who already look to be heading for a brutal season, when Meyer was sent off for a dreadful flying shoulder to the exposed head of Scott Cummings on the Glasgow line.

But as the hosts wilted, Warriors' discipline deserted them. Bruno scampered in from a rolling maul. Glasgow twice fell short of a fifth try from similar positions, then George Turner went to the bin after a series of breakdown infringements.

The Zebre rally was fleeting. A terrible no-look pass missed its slew of potential recipients and was neatly toed on by Tommy Seymour up the right flank. The full-back controlled the bobbling ball beautifully - right up until he got to the whitewash, when he stumbled over it and let Frisby scoop up and score.

Ruaridh Jackson popped over the extras rounding off a pleasing afternoon's work for Glasgow with the altogether more formidable challenge of Sale Sharks and the Champions Cup awaiting next Saturday.

Zebre: M Biondelli; C Walker, J Elliott, E Lucchin, M Bellini; C Canna, J Renton; A Lovotti, L Bigi, A Tarus, M Kearney, I Nagle (capt), G Licata, J Meyer, D Sisi.

Replacements: M Manfredi, D Fischetti, G Zilocchi, L Krumov, R Giammarioli, M Violi, T Boni, P Bruno.

Glasgow Warriors: T Seymour; R Tagive, K Steyn, S Johnson, DTH van der Merwe; A Hastings, G Horne; O Kebble, F Brown, Z Fagerson, T Swinson, S Cummings, R Wilson (capt), C Fusaro, M Fagerson.

Replacements: G Turner, A Allan, D Rae, K McDonald, T Gordon, N Frisby, R Jackson, H Jones.

Southern Kings held out for a first away win in the Pro14 as they stunned Ospreys in Swansea.

Kings' Scott van Breda kicked the first points, a penalty, before the visitors launched a superb move for centre Erich Cronje to score.

Van Breda added the conversion and penalties either side of the break to set a tough target for the hosts.

After a glut of changes, Ospreys fought back with tries by Morgan Morris and Hanno Dirksen, but it was not enough.

The fightback against the South African team came after Ospreys produced a dreadful opening period.

Full-back Van Breda kicked the opening points with a penalty and having seen number eight Elrigh Louw denied an opening try by a knock-on, they were not to be denied at the next opportunity.

Kings launched an attack out wide from deep, and with Ospreys' cover defence in short supply, Cronje went over for Van Breda to convert.

A penalty followed to end a miserable first 40 minutes for the hosts, whose directionless efforts were exacerbated by some poor handling in awful conditions.

Coach Allen Clarke's action underlined his view of what had taken place as he sent on veteran fly-half James Hook for Luke Price to start the second period.

Prop Ma'afu Fia, hooker Sam Parry and wing Tom Williams joined Hook in bringing fresh minds and legs to the home effort.

The initiative paid dividends as Ospreys showed attacking poise, rewarded when number eight Morgan Morris drove over from close range for Hook to convert.

However, the former Wales fly-half was forced off for a head injury assessment, allowing Price to return to the fray with the momentum favouring the hosts.

The pressure eventually told with Ospreys changing their direct approach, ending with Price's perfectly-timed fingertip pass sending Dirksen over for the starting 10 to convert.

Between the try and conversion, the hosts suffered yet another injury worry as replacement hooker Parry left on a stretcher.

Hook's return was a more welcome sight for home fans, but he missed a late short-range penalty and another from a metre inside his own half fell short, summing up the home side's efforts.

Ospreys coach Allen Clarke told BBC Sport Wales:

"Early doors, we didn't take our chances, they scored a really good try and our error count in the first half wasn't good enough.

"We were dominant in the second half in the set piece, there was a lot of dead time and that was frustrating, we got ourselves back with a shot at goal (to win it) and it's tough not to take it.

"It's the bottom of the pit for us, it's probably as low as you can go and all credit to Kings, but we've really got to dig ourselves out of this.

"The last couple of weeks, we've had a good enough team on the park (despite the absentees) to get victories and we haven't done that."

Ospreys: D Evans; Dirksen, Thomas-Wheeler, Scott Williams, Klim; Price, Venter; Rhodri Jones, Otten, Botha, Orie, Ashley, Lydiate (capt), Cracknell, Morris.

Replacements: Parry, Thomas, Fia, Volpi, Cross, Aubrey, Hook, Tom Williams.

Southern Kings: Van Breda; Hollis, Erich Cronje, Mnisi, Twum-Boafo; Jackson, Allderman; Schoeman, Du Toit, Scholtz, Sexton, De Wee, Burger, Bholi, Louw.

Replacements: Van Rooyen, Vos, Mguca, Fortuin, Lerm, Pretorius, Masuku, Sithole.

Referee: Andrea Piardi (FIR)

Assistant referees: Ben Whitehouse (WRU), Gianluca Gnecchi (FIR)

TMO: Alan Falzone (FIR)

Bath survived conceding a try inside the opening minute and a red card to end Northampton's unbeaten start.

Rory Hutchinson charged down Rhys Priestland's kick to score early and James Grayson's penalty put Saints 8-0 up after as many minutes.

Bath fought back through Will Chudley's try and a Priestland penalty put them ahead at the break.

Aled Brew saw red before Charlie Ewels and Zach Mercer crossed either side of Tom Wood's finish.

More to follow.

Bath: Burns; Rokoduguni, Wright, Roberts, Brew; Priestland, Chudley; Obano, Dunn, Stuart; McNally, Ewels, Ellis, Bayliss, Mercer.

Replacements: Walker, Boyce, Judge, Stooke, Williams, Cook, Willison, Hamer-Webb.

Northampton Saints: Furbank; Collins, Dingwall, Hutchinson, Naiyaravoro; Grayson, Taylor, Franks, Haywood, Painter; Ribbans, Moon, Wood, Gibson, Harrison.

Replacements: Fish; Trinder, Hill, Ratuniyarawa, Coles, Mitchell, Strachan, Tuala,

Referee: Ian Tempest.

Saracens silenced the jeers of the Gloucester fans and the ire of others around the country as they put their 35-point deduction and £5.36m fine for salary cap breaches behind them as they recorded a 21-12 win at Kingsholm.

The European and English champions - without the vast number of their England World Cup-finalists - put on an impressive display to get their first win at Kingsholm since October 2015.

Saracens ran out to a chorus of boos as some Gloucester fans waved fake £50 notes.

Chants of "same old Sarries, always cheating" rang loud around Kingsholm for large parts of the game.

But a clinical performance in attack and defence from Mark McCall's understrength men saw them smother Gloucester and move second in the Premiership pending the outcome of an appeal of their sentence.

Less famous stars shine bright

Saracens went into the game without England captain Owen Farrell and his World Cup-finalist team-mates Jamie George, Marco Itoje, Elliot Daly, George Kruis and Mako and Billy Vunipola as they restored their body clocks to UK time after the best part of two months in Japan.

They were still able to call on Scotland's Sean Maitland, former England scrum-half Richard Wrigglesworth and experienced squad players like Will Skelton, Nick Tompkins and Jackson Wray, while new signing Jack Singleton started on the bench as did England's late World Cup call-up scrum-half Ben Spencer.

It was Wrigglesworth who set the tone in the first half - his accurate kicking and experienced leadership helping a Saracens side who had ranging levels of experience.

Manu Vunipola, the young cousin of England's Mako and Billy, kicked his side into an 18th-minute lead, before Nick Tompkins' try increased the gap to 10 points - Danny Cipriani's sliced clearance kick set up the field position and Vunipola's superb drop of the shoulder creating the opening for Saracens to send over Tompkins over from close range.

Within five minutes Gloucester had pulled a try back - Marshall sprinting down the right, precisely chipping over the onrushing Saracens defender and kicking he ball on before diving into the corner.

Gloucester indiscipline saw them give away two more penalties that Vunipola dispatched from close range as the visitors went in 16-5 up at the break.

Saracens impress to hold out hosts

The second half was just three minutes old when there was a long stoppage for a nasty-looking leg injury to Saracens loose head Ralph Adams-Hale - the 22-year-old was making his first Premiership start but needed oxygen as he was stretchered off under heavy medical attention.

But Saracens did not need long to increase their lead - having had a rolling maul try disallowed for obstruction, Saracens made no mistake with the very next play as Ben Earl was forced over by the pack.

Gloucester struggled to find a way through Saracens' constrictive defence - Ollie Thorley's pacey run after an hour was repelled while Corne Fourie was held up an inch short of the line.

It took 15 minutes of almost solid Gloucester pressure before the visitors finally cracked - Lewis Ludlow being forced over from close range as Gloucester's fans found their voice and turned their anger on their visitors once again.

But it was Saracens who almost had the last laugh as Ben Spencer knocked on under pressure as he dived for the corner in the final minute.

Saracens may have left the ground to the sounds of "I Fought the Law" by the Clash from the tannoy and accusations of being cheats from the fans, but they showed their strength in depth against a strong Gloucester side - whether that squad has been fairly or unfairly assembled is still up for debate.

Gloucester: Woodward; Marshall, Harris, Atkinson, Thorley; Cipriani, Braley; Hohneck, Marais, Balmain, Clarke, Grobler, Kriel, Ludlow, Morgan (capt).

Replacements: Fourie, Rapava Ruskin, Ford-Robinson, Ackermann, Polledri, Simpson, Twelvetrees, Banahan.

Saracens: Gallagher; Maitland, Taylor, Tompkins, Lewington; Manu Vunipola, Wigglesworth; Adams-Hale, Gray, Lamositele, Skelton, Isiekwe, Clark, Earl, Wray (capt).

Replacements: Singleton, Barrington, Wainwright, Kpoku, Hunter-Hill, Spencer, Lozowski, Segun.

Referee: Craig Maxwell-Keys.