Police are looking for three men who assaulted and robbed a 25-year-old man on board the 5 train in Flatbush.

Investigators say the incident happened just after 5:30 p.m. on April 29.

A 25-year-old man was approached by three men who punched him multiple times in the face.

The three men also forcibly removed his backpack before fleeing on foot.

The 25-year-old man was transported by EMS to New York-Presbyterian Brooklyn Methodist Hospital and is expected to be OK.

Anyone with information is asked to call the NYPD Crime Stoppers hotline at 1-800-577-TIPS (8477).