Police at Arizona State University are investigating a sexual assault that occurred on campus.

ASU Police say a victim was raped at Hayden Hall, a dormitory on ASU’s Tempe campus near Apache Boulevard and Mill Avenue, on Thursday or Friday.

According to officials, the victim knows the suspect but an arrest has not been made.

The victim and suspect met using a dating app, police said.

Authorities describe the suspect as being an African American male, about 5’11”, thin build with short, black hair.

Anyone with information about the incident is asked to call ASU Police at 480-965-3456.