A bicycle-riding teen armed with a BB-gun robbed a man of his wallet late Wednesday, Suffolk County police said.

Laquan Brown, 16, of 619 Lakeway Dr., West Babylon, faces charges of second-degree robbery after allegedly taking the wallet from a man who was walking home from the Long Island Rail Road station in Babylon at about 11:50 p.m., police said.

advertisement | advertise on newsday

The suspect approached the victim from behind on Mason Avenue and held the BB gun to his head, police said. After getting the wallet, a witness to the robbery confronted the suspect, police said.

Police said the suspect then ran off on foot, taking the wallet and leaving behind the bicycle.

The witness gave First Precinct officers a description of the suspect, and Officer James Hillgardner found him within 10 minutes of the robbery, police said.

The victim was not injured.

advertisement | advertise on newsday

Brown is scheduled to be arraigned Thursday on a charge of second-degree robbery at First District Court in Central Islip.