The suspect also took pictures of the victim with a camera phone before fleeing down the stairs.
The suspect is described as a Hispanic male with a dark complexion, apporximately 18 to 23 years old. He is 5-foot-8 to 5-foot-10 and weighs about 200 pounds. He has a medium build and a medium black Afro. He was last seen wearing a black North Face jacket, blue jeans and black boots.
Anyone with information in regards to this incident is asked to call Crime stoppers at 1-800-577-TIPS (8477). 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.