Two helicopters have collided in Greece as they were battling to control wildfires.
Video of the incident some 65 km (42 miles) west of the capital, Athens, shows one of the helicopters hitting the propellers of the other, which bursts into flames.
Two of the four crew members involved were found unconscious, Greek media report, with the others sustaining light injuries.
Confirmed
Two helicopters have collided in Greece as they were battling to control wildfires.
Video of the incident some 65 km (42 miles) west of the capital, Athens, shows one of the helicopters hitting the propellers of the other, which bursts into flames.
Unverified
Two of the four crew members involved were found unconscious, Greek media report, with the others sustaining light injuries.