KANSAS CITY, Mo. -

A man's death during an incident at Arrowhead Stadium during the Chiefs-Broncos game, has been ruled a homicide.

Police have identified the victim as 30-year-old Kyle A. Vanwinkle of Smithville.

Officers responded at 5:20 p.m. Sunday to an altercation in the parking lot and found Vanwinkle unconscious on the ground. Police said a Jeep owner and his son returned to the vehicle during the Chiefs game against Denver and found Vanwinkle inside, leading to a fight.

In a tweet, police said Vanwinkle's death is Kansas City's 100th of 2013. Prosecutors will determine whether charges are filed.

---

Police say a man has died and three people are in custody after an altercation that happened in the parking lot of Arrowhead Stadium as the Kansas City Chiefs played the Denver Broncos.

Police spokesman Darin Snapp tells The Associated Press the death is being treated as a homicide but no arrests have been made. He says the man who died was found inside someone else's vehicle and a struggle ensued.

The man, who was in his 20s, was found unconscious on the pavement. Snapp says paramedics began administering first aid before he was transported to a hospital, where he died. His name has not been released.

Chiefs spokesman Ted Crews says the team is aware of the incident but cannot comment further because of the police investigation.