Delaware State Police Detectives are investigating an assault that took place Thursday morning in Claymont. Troopers say a man assaulted and robbed a woman at the Boys and Girls Club in Claymont. The victim told police that a man asked her about day care services, and then left. He returned and confronted the woman, who works at the club, in a storage room. The man threatened her with a knife, before taking her jewelry and money. He then forced her into a bathroom and assaulted her. Police are looking for a black man, in his mid to late twenties. He's between 5’07” – 5’10” tall, average build, and was last seen wearing a white cotton tank top t-shirt, and tan cargo pants, and armed with a knife. Anyone with information is asked to call Crime Stoppers at 1 (800) TIP 3333.