commissioner or the deputy fire chief while she was answering questions was if it s shrapnel, where did that come from. she said it might have been a ricochet from a bullet. i said what about an explosive device? and she said they re currently investigating. so they re unclear at this time if there was a secondary device or something beyond the gas canister or the gun that the suspect shot with. again, remarkable given the circumstances, given that the train was relatively crowded, it was 8:30 a.m., on its way to manhattan, a northbound train, and the person opened a gas canister, the train filled with smoke and opened fire, remarkable that the injuries are not life sletening. they ll give an update on the status of the victims in a few hours once they have more information. they re also going to give an update on the investigation itself and what they can tell us about the suspect or if the suspect was working in