Horse breaks free mid-air, forcing cargo plane’s return to New York

Boeing 747 cargo plane turns back after horse becomes untethered in flight and pilot says We cannot get the horse back secured'

A cargo plane heading for Belgium was forced to return to New York City after a horse escaped from its crate on board.

The horse became loose on the Boeing 747 cargo plane within 30 minutes of the plane's initial takeoff, according to the audio clips from air traffic control that were reconstructed on YouTube, ABC News reported.