The Metropolitan Police Department is investigating a simple assault that occurred in the Marvin Center Thursday.

At about 5 a.m., a campus police supervisor allowed a man to enter the Marvin Center to wash and worship in the mosque on the third floor before regular business hours. Daryle Greene, the building manager, confronted the man and told him that he was not permitted in the area before business hours, according to an MPD report.

The man then attempted to explain that he was given prior authorization, but Greene did not change his mind, according to the report.

The man and Greene engaged in a “nasty” exchange of words, during which the man said, “If you call the police and have the police tell me to leave, I will leave,” the report states.

Greene then said, “This could get very real, very quick. I can step out this role, man to man,” and began pacing around the man, invading his personal space and tapping him on his shoulder.

Greene said, “I’m going to teach you a lesson, put you in your place” and removed the work badge from his uniform shirt, the report states. He then made “aggressive hand gestures” that led the man to believe that Greene was preparing to fight or assault him, according to the report.

The man told officers that he felt fearful and threatened by Greene, who continued to bother him until his cell phone rang and distracted him.

The man reported the matter to campus police later that day, but when he followed up, he was told the investigation was closed with no additional information and was advised to obtain a protection order. A detective in the Second District was notified of the incident, the report states.

Greene did not return a request for comment.