A U.S. ARMY helicopter hit a high tension wire and crashed in southern Germany, killing the two crew members aboard, a military spokesman said Tuesday . . . TROOPS OPENED FIRE Tuesday on Hindu fundamentalists who broke through police lines and surged toward a holy site in Ayodhya, India, claimed by both Hindus and Moslems. Four people were killed and at least 20 wounded . . . A RETIRED police officer tackled a would-be robber on a Manhattan subway train but was fatally shot with his own gun during the struggle, police said Tuesday.