The crash, paired with spewing water from a sheared fire hydrant, caused the roof of the store to collapse inwards.

Laurie Perez reports from North Hills, where a truck that veered off the road and sheared a fire hydrant caused a chaotic sequence of events that led to the roof of a T-Mobile store's collapse on Sunday afternoon.

LOS ANGELES - Fire crews are at the scene of a building collapse in Los Angeles' North Hills neighborhood Sunday afternoon. According to the Los Angeles Fire Department, a traffic collision involving a fire hydrant was reported just before 3 p.m. near Nordhoff Street and Sepulveda Boulevard.