Bridge collapsed

Four people were killed and least four people were injure by a bus passing over a bridge and causing it to collapse this happend in one of the main road in Rio de Janeiro. This happend at 9:15 p.m. what causes a bridge to collapse was that the bus was too heavy and also it was prohibit for buses of that kind of weight to cross the bridge. http://elcomercio.pe/mundo/latinoamerica/brasil-derrumbe-puente-peatonal-deja-al-menos-4-muertos-noticia-1705613