A woman walking in a Henry Street parking lot on Friday night was robbed by a masked man who confronted her, Nassau police said.

Police said the woman, 34, was in the Walgreens parking lot about 11 p.m. when the man, wearing black clothing and a ski mask covering his face, put a knife to her side and demanded her property.

The suspect, described as about 5-foot-2 to 5-foot-4, was given a cellphone and cash. The man also waved his knife, cutting the woman’s sweater, police said.

advertisement | advertise on newsday

The man ran away on Merrick Road, police say. No one was injured.

Police said anyone with information could call Nassau County Crime Stoppers sat 800-244-8477.