Briton survives after two killed in collision between Greek firefighting helicopters

• A Briton has survived and two people were killed after two firefighting helicopters collided while battling vast blazes tearing through an area west of Athens on Sunday.
• A Greek and a Danish national on one helicopter were killed, after a second helicopter with a Briton and Greek onboard collided with its rotors.
• Both people onboard the second helicopter survived.