Princess Anne paid tribute to Lockerbie bombing victims during a visit to Scotland on Monday. The Princess Royal visited the Lockerbie Air Disaster Memorial in Dumfries today to commemorate the victims of the attack. Princess Anne was pictured laying a wreath down in front of a memorial for those who lost their lives in the tragedy. On December 21, 1988, an explosion on board the Boeing 747 killed 270 people. This was the deadliest terrorist attack to have taken place in Britain at the time. The Pan Am Flight 103 was travelling from London to New York City but exploded over Lockerbie, Scotland…