Police open fire on a crowd at a soccer game in Ciudad Juarez , Mexico . 180 shots are fired in three or four seconds , police say . Two people die at the scene , four people die en route to hospital . Police : Shooting motive unknown .
Gunmen open fire on a crowd at a soccer game in Ciudad Juarez , Mexico . 180 rounds are fired in three or four seconds , police say . Three people die at the scene , four others die en route to hospitals . Police : Shooting motive unknown .