The mayhem began just before 8:30 a.m. at the 25th Street station in Sunset Park. As the doors closed, the man in the vest threw several smoke bombs into a train car and started firing, NYPD ...

A deranged gunman wearing a gas mask and firing a 9mm handgun blasted a path of destruction through a Brooklyn rush ... The assailant detonated two smoke bombs and opened fire around 8:30 a.m ...

The man refused to leave a house and armed officers were deployed, the Independent Office for Police Conduct said.

Wearing the gas mask, helmet and tactical boots, Akerberg allegedly sprayed court officers, a police officer from Stoneham and a prosecutor while punching and shoving people, according to prosecutors.

Officers also discovered shell casings, a smoke grenade and a gas mask inside the SUV. Police identified the suspect as Max Eli Viner, 37, and the Secret Service arrested him.