BROOKLYN - Authorities need help finding a man accused of trying to rape a woman in Williamsburg. 

Police say the man, who was captured on surveillance video, followed the victim into her South 3rd Street apartment building. 

When they reached the third floor, he allegedly assaulted and attempted to rape her. The victim refused medical attention. 

The man is described as being between 25 and 35 years old, 6 feet 2 inches tall and 180 pounds. 

Anyone with information should call Crime Stoppers at 1-800-577-TIPS