Police say a woman was followed into her building and robbed in Prospect Park South.

Officials say it happened on Friday around 7:30 a.m. near East 17th Street and Albermarle Road

Surveillance video shows the 34-year-old victim walk into her lobby and the man follow behind her.

The suspect told people the man told her to be quiet or he'd shoot her.

Police say he took her iPhone and ran off.

The suspect is described as around 5 feet 11 inches and approximately 160 pounds, wearing a denim jacket, black hoodie, sweatpants and white sneakers.

The victim was not hurt in the attack.

Anyone with information is asked to call police.