Two firefighting helicopters combating a forest fire collided mid-air in the Psata region, west of the Greek capital Athens. The Hellenic Fire Service said two people died and two were injured in the accident.
After the accident, the pilot of one of the helicopters managed to contact the operations center. Officials said those killed were Greek and Danish citizens, while the injured were Greek and British nationals. Medical teams are treating the wounded.
An investigation has been launched, while efforts to combat forest fires continue throughout Greece. Across the country, 73 active fires have been recorded, including near Athens, in Viotia, Crete, and on the island of Paros. Satellite data shows more than 5,700 hectares have been burned so far.