Moussa Koussa of Abdelbaset al-Megrahi, the alleged Pan Am Flight 103 bomber, whose involvement in the story is quite controversial. Several legal experts as well as the UN observer at the Lockerbie trial have vehemently challenged the verdict that convicted Megrahi. Koussa is also credited for the expulsion of Abu Nidal from Libya, whom he describes as a ruthless murderer and terrorist that Gaddafi allowed to live in Libya in 1986, the year the United States launched Operation El Dorado Canyon against Gaddafi for his association and harboring of terrorists. On 23 August 2002, the BBC reported that Abu Nidal was 'behind
Dumfries, Lochmaben and Lockerbie Railway with a northbound goods train on the main line. The collision took place immediately north of Lockerbie station. The collision was relatively mild, but the Up line was obstructed, and an Up express passenger train collided with them, being derailed onto the station platform. Seven people were killed, including the driver and fireman of the express, and 300 people were injured. The guard of the express train ran back down the line to warn another approaching Up express train of the accident, preventing a further collision. The driver of the first train, the Lockerbie station master and the District Inspector