Pile-up in Pennsylvania
Media playback is unsupported on your device
Video

50-vehicle Pennsylvania pile-up

More than 50 vehicles have been involved in a motorway pile-up in Pennsylvania.

At least three people have died and 40 were taken to hospital.

Drivers have been urged to use caution amid cold weather and drifting snow.

  • 13 Feb 2016
Go to next video: Roofs collapse under weight of US snow