By An injured fan in carried to the field of Cuscatlan stadium in San Salvador, El Salvador, Saturday, May 20, 2023. Milton Flores/APSAN SALVADOR, El Salvador — At least twelve people were killed and dozens more injured when stampeding soccer fans pushed through one of the access gates at a quarterfinal match in the Salvadoran league Saturday. "We are going to investigate from the ticket sales, the entries into the stadium, but especially the southern zone," where, he said, the gate was pushed open