HEAVY metal star Bruce Dickinson was returning to Britain last night after airlifting 200 Beirut evacuees to safety. The Iron Maiden singer, also a professional pilot, flew a Boeing 757 to Cyprus, where the Brits had fled to escape the violence. After touching down at RAF Akrotiri on the Med island, Bruce waited for the fully-boarded plane to be re-fuelled before being given clearance to fly back to Gatwick. The mercy mission was the idea of the rocker, whose Iron Maiden hits include Run To The Hills and Sanctuary. Dad-of-three Bruce, 47, is a first officer with London-based charter...