A naked man joined a woman student’s exercise routine uninvited on the University of Maryland campus on Monday, and campus police are looking for him.

The police said that while the woman was working out about 5:20 a.m at a plaza area on the east side of Tawes Hall, she heard noises and saw the man, who began to work out with her. He also tried to talk to her, the police said.

She quit her exercise routine and called police. He left on foot, heading toward a parking lot. No description was given. Police said they are investigating the incident as a case of indecent exposure.

Tawes Hall one of the major buildings on the College Park campus, is centrally located, between Campus Drive and Alumni Drive, west of the McKeldin Library.