BUFFALO, N.Y. -- University at Buffalo Police are looking for the suspect of an armed robbery Friday on UB's South Campus, according to a release from the university.

The robbery happened at about 5:58 p.m. as the victim was walking on the Parker Lot. A similar robbery happened on Lisbon Avenue at about the same time, Buffalo Police say, that may be related.

The suspect has been described as a black man about 16-20 years old. He is about 5' 5" tall to 5' 6" tall wearing a grey puffy winter coat, camel pants and a black ski mask.

The suspect displayed a small knife and demanded money, the victim reported.

University Police checked backyards along Winspear Ave with the Buffalo Police and K-9 unit after the incident was reported Friday. In addition, University Police have increased patrols on South Campus.

Anyone with information about the robberies is asked to call University Police at 716-645-2222.