The NYPD released surveillance video in their search for two robbery and assault suspects. 
Authorities say the men in the video beat up a 56-year-old man on Prospect Avenue Wednesday. 
They're also accused of taking a gold chain from the victim's neck, a cellphone and $50. 
The victim was taken to Lincoln Hospital, but is expected to be OK. 
Anyone with information should call Crime Stoppers at 1-800-577-TIPS.