Two fire brigade helicopters collided mid-air in Greece on Sunday, as firefighters continued to battle fierce wildfires around the Gulf of Corinth.
The fire service said the two aircraft collided in the Psatha area, just to the west of the capital, Athens, adding that search and rescue teams were "immediately mobilized to locate and assist the crews."
Television footage showed one of the helicopters explode and plunge to the ground in flames after an apparent rotor collision.
Greek public broadcaster ERT reported that the crew of one of the helicopters had been found and were safe. The fate of the crew of the second helicopter initially remained unclear.
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