March 18, 1990 |
A terrorist group has claimed responsibility for the fatal crash of two U.S. helicopters and the grenade attack on a discotheque, and it threatened more attacks on Americans and U.S. property. The group calls itself the Dec. 20 Movement, or M-20, and is the first terrorist group to surface following the Dec. 20 U.S. invasion that overthrew dictator Gen. Manuel A. Noriega. One U.S. soldier died in the March 2 grenade attack, and 11 died in the Feb. 21 air crashes. The U.S.