Police are searching for a man who they say touched a woman's behind.

It happened on Sept. 25 inside the lobby of an apartment building near Marble Hill Avenue and West 227 Street.

Police say the 53-year-old woman was inside the lobby when a man came up and touched her rear end and then ran away.

Officials describe the suspect as being six foot tall, weighing about 170 pounds and was last seen wearing Nike sweatpants and a Nike sweatshirt.