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Two firefighting helicopters collide while battling wildfire in Greece – Euronews.com
- Two firefighting helicopters collide while battling wildfire in Greece Euronews.com
- Two crew killed as British pilot survives after firefighting helicopters collide in Greece BBC
- Two firefighting helicopters collide west of Athens as Greece battles wildfires NBC News
- Firefighting helicopters collide in Greece amid European wildfire crisis Yahoo
- Helicopter Collision Shows Perils of Europe Wildfires Fight Bloomberg.com