SANTIAGO, Chile — Two fans died on Thursday before the start of a Copa Libertadores match between the host Colo Colo and Fortaleza of Brazil near Santiago’s estadio Monumental, a local prosecutor said.

Two teenage soccer fans died following a confrontation with police ahead of Colo-Colo’s Copa Libertadores match against Fortaleza on Thursday. The incident took place ahead of the game. Police general Alex Bahamondes told TVN police were responding to approximately 150 fans trying to enter Colo-Colo’s Estadio Monumental in Santiago,