Authorities say they believe a helicopter and a crash had collided overhead in Buckinghammer, England.
Emergency services have been forwarded and priority has been given to saving lives, reports say. According to the Air Traffic Control Division (AAIB), the accident had occurred near the Islesbury area in Buckinghamshire.
Ambulance staff said casualties existed.
A sockbiz air dealer said the two crashed from the airstrip of the city
Vaikamouby Vicombomb Air Park, also known as the bookkeeper airstrip, is located 20 miles from the place of accident.
