Details emerged about an alleged plot to attack the city’s subways with bombs hidden in bags and possibly baby strollers as local and federal officials jostled over the credibility of the threat. A Department of Homeland Security memo obtained by The Associated Press said the attack was reportedly scheduled to take place on or around Sunday, with terrorists using timed or remote-controlled explosives hidden in briefcases, suitcases or in or under strollers. The memo said that the department had received information indicating the attack might be carried out by “a team of terrorist operatives, some of whom may travel or...
