One killed and another injured in New Jersey helicopter crash

US officials said two helicopters crashed mid-air in southern New Jersey, killing one person and leaving another critically injured.

Rescuers responded to a report of a crash on Sunday morning, after a helicopter was seen spinning to the ground.

Police and fire crews subsequently extinguished flames that engulfed one of the helicopters.

The injured person was transported to a hospital with life-threatening injuries.

Local police said the Federal Aviation Administration and the National Transportation Safety Board will be investigating the crash.