Disaster seemed certain when a photographer captured these planes on course to collide over east London. To the onlookers below, the aircraft looked set for a horrific mid-air crash. The cameraman took the pictures of an Airbus A300 belonging to transport firm DHL, which seemed to narrowly avoid flying into the rear of a Japan Airlines Boeing 777. The photographer was in the crowd attending West Ham's home FA Cup match at Upton Park stadium on Saturday. But the Civil Aviation Authority says the incident was an optical illusion and not as dangerous as it appeared from below. A spokesman...