gas canisters before shooting, injuring ten people. our new york correspondent nada tawfick reports. in an instant, the rush of the morning commute turned to a race to safety. on this subway car, new yorkers went into a state of shock, after a man wearing a green vest and sweatshirt detonated a smoke bomb and began opening fire. the attacker fled the scene to the sound of people s screams, and the sight of some collapsing on the platform, bloodied and wounded. we were all told to get. people were screaming for medical. it was a scary moment. everybody was packed together. i didn t know what happened after. i saw people coming out of the train station screaming, yelling for help. i saw a lady shot in her leg. shot in her leg? yes, and she was screaming for help. a massive emergency response from the nypd to the fbi