One policeman was killed and another injured during a shoot-out on an Italian passenger train involving a suspected Red Brigades member, state television reported. The trouble started when an officer asked a passenger on the Florence-bound train for his identity documents. "The passenger put a gun to the head of one of the policemen and fired," a witness said in an interview with state radio. "Then he fired several more shots [at the other officer]," the traveller said. The injured man suffered a serious lung wound. A third policeman rushed to the aid of his colleagues, firing several shots, one...