 There have been violent clashes between Uruguay's football players and Colombian fans after their team's 1-0 defeat at the Copa America football semifinal. Television footage shows several players, led by Uruguay's Darwin Nunez, leaping into the crowded stands of the stadium in the US city of Charlotte in North Carolina and exchanging punches with Colombian fans. Other players allegedly joined the brawl out of concern for the safety of family members. Nunez is yet to publicly comment. BBC News.