Over 60 mercenary troops from Sri Lanka attacked the Maldives on November 3, 1988 in an attempt to overthrow the government. The South African government is known to use mercenaries against Angola, the South West Africa People's Organization and the African National Congress. Mercenaries have helped to train teams of assassins for Columbian cocaine traffickers and their allies. Thirty French and Belgian mercenaries had a virtual control of the Comoro Islands for 11 years and killing 2 presidents. The Gurkha troops engaged in Nepal by the British Government for service in British colonies and territories may be considered as mercenaries of one form.