Newly crowned Uruguay champions Nacional have condemned the killing of one of their fans during Sunday's title celebrations.

Local media reported that a 24-year-old supporter was shot dead near the club's headquarters in Montevideo.

Fans took to the streets in the Uruguay capital to celebrate Nacional's championship-clinching 1-0 win over Penarol on Sunday.

According to El Pais, a video on social media showed around 500 fans singing on the street before six to eight shots were heard. One of the fans fell as others ran for safety. The victim died before arriving in hospital while another fan shot in the arm needed medical attention.

"Nacional condemns a new act of violence, another unjustified killing in Uruguayan football," a club statement said. "The club calls on all of our fans to maintain calmness and responsibility while dealing with grief. It's no longer a day to celebrate, all of Nacional embraces a family [of the victim]."

In 2016, one Penarol fan died after being shot by Nacional supporters and two others were hurt as they celebrated the club's 125th anniversary. Penarol also condemned the latest act of violence.

A club statement read: "Penarol passionately rejects the episode in which a Nacional fan was killed and another injury this evening. May the one or those responsible be identified and brought to justice."