ST. CLOUD -- St. Cloud Police are investigating a sexual assault report after a woman told police she was attacked.

The St. Cloud Police Department says a 33-year-old victim was approached by an unknown black man around 11:05 p.m. while she was walking downtown.

The man allegedly told the victim he had a gun before he sexually assaulted her. Police say the victim did not see the gun.

Authorities say the man is described as being 22-28 years old with a stocky, muscular build and cornrows growing down the bottom of his neck.

Anyone with any information is asked to contact the St. Cloud Police Department.