A 11-year-old boy was nearly thrown off a moving 4 train by a stranger, and police are looking for the suspect, who is now wanted for assault.

The incident occurred last Wednesday, October 5th, around 3:20 p.m. on a downtown 4 train. The boy was with friends when, police say, the suspect "pulled the 11 year-old male victim into the area in between the train cars, picked him up and shook him as he was going to throw him off the train."

A 26-year-old female passenger stopped the man and managed bring the boy, who had bumped his head on the side of the train, back inside, according to the NYPD. Then the boy and the woman, whom police described as a good Samaritan, left the train at Union Square/14th Street. The perpetrator remained on the train.

Police released a sketch of the suspect (right) and describe him as being in his 30s and around 6'. He was last seen wearing a black sweater and a multi-colored baseball cap.

Anyone with information in regards to this incident is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782). The public can also submit their tips by logging onto the Crime stoppers website at WWW.NYPDCRIMESTOPPERS.COM or by texting their tips to 274637 (CRIMES) then enter TIP577. All calls are strictly confidential.