Quite graphic. right in the rush hour, you see right there, blood splashed across a train car floor. another picture shows multiple victims. one person is seen putting pressure on a wound to his leg. the incident happened near, the 36th street subway station in the middle of the morning rush hour. the nypd says to best of its information, there are no active explosive devices at that scene. witnesses describe a loud and chaotic scene. too many shots to count, they say. police say the shooter was wearing a gas mask and an orange construction vest. cnn s shimon prokupecz is right there live on the scene for us as we await to hear from our officials. shimon, what do we know? yeah, terrifying moment here, certainly, john, for folks riding the subway to work, to get home. this is the sunset park area of brooklyn. and what we hear is that this morning, according to officials, there was this smoke bomb. some kind of a smoke device that the suspect set off on the train, and then the gunfire