Pipe bomb strapped to man explodes in NYC subway, injuring 4

NEW YORK — A man with a pipe bomb strapped to his body with Velcro and zip ties set off the crude device in the subway near Times Square on Monday, injuring him and three other people at the height of the morning rush hour.All four were being treated for non-life-threatening injuries in what the mayor and police labeled an attempted terror attack.New York City has reopened its subways amid heightened city-wide security after the incident.The explosion happened in a long underground passage