Son Heung-Min's late penalty gave Tottenham Hotspur an entertaining 3-2 win over Southampton to reach the fifth round of the FA Cup.

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The South Korean star's goal from the spot in the 88th helped seal the replay win at Tottenham Stadium that saw the hosts rally after initially taking an early lead.

Spurs went up first in the 12th minute when Tanguy Ndombele's shot took a deflection off Saints defender Jack Stephens, which careened into the net for an unfortunate own goal.

Southampton nearly levelled seven minutes later but Danny Ings' shot to the top of the goal bounced off the crossbar.

The Saints' equaliser came in the 34th minute when Hugo Lloris pushed Nathan Redmond's low shot into Shane Long's path for a simple finish.

Ings then helped the visitors take the lead with clean finish at the end of a rapid break in the 72nd minute, but Lucas Moura put Spurs back into it six minutes later with a superb strike.

Son then drew the winner when Dele Alli set up him for a run into the box, forcing goalkeeper Angus Gunn to make just enough contact for the foul.

The winners now take on fellow Premier League counterparts Norwich City in the next round of the tournament.