Clashes broke out in the Brazilian city of Rio de Janeiro as police battled football fans who had been celebrating their team's victory in South America's biggest regional tournament.
Huge crowds had thronged the city centre on Sunday to welcome back players from the Flamengo team after their victory in the Copa Libertadores.
But towards the end of the victory tour fighting broke out.
Stones and bottles were thrown at police who responded with tear gas.
Images showed crowds scattering as tear gas canisters rained down. Some police were seen using batons against fans while others drew their weapons amid the chaos.