A man exited a double parked BMW with an M4 rifle and then walked toward the skyscraper that is home to the headquarters of both the NFL and Blackstone, one of the world’s largest investment firms, as well as other tenants on Monday evening, according to surveillance video.

We’ll get details about the shootings in a Midtown Manhattan office building by a 27-year-old man with an assault rifle. We’ll also go for a ride along the route of an old freight line that is expected to get new life as a passenger rail line.

Follow along for live updates on the New York City shooting, where police investigate motive after five people, including the gunman, were killed in the Monday shooting.