Police need your help identifying a man they say assaulted and maced two men on a Brooklyn subway platform.

Cops say the 55-year-old victim was entering the train station with his 13-year-old daughter when he saw a man try to skip out on the subway fare.

It happened on Saturday afternoon at the Kosciuszko Street J train station in Bushwick.   

The man then allegedly attacked the victim and pepper sprayed him.                                                                                                 

Another man passing by was also injured in the attack.