ALLENDALE, Mich. (AP) – A university in western Michigan is urging students to be cautious after a fourth sexual assault was reported near campus.

Police say the assault occurred Tuesday night outside of off-campus apartments near Grand Valley State University in Allendale. It’s the fourth assault reported since Aug. 26.

READ MORE: Michigan Matters: Fighting for Inclusion, Detroit's Place in Civil Rights History

Grand Valley officials are urging students to check in with friends more frequently, participate in ride shares and walk in groups. A public forum is planned Thursday.

READ MORE: Karen Carter, and Others Metro Detroiters Chipped In To Help Salvation Army’s Bed and Bread Radiothon

The Ottawa County sheriff’s office is asking apartment managers to share any security video. Capt. Mark Bennett says it could show who is coming and going in the area.

Grand Valley police Chief Renee Freeman says her department is “very concerned” about the assaults.

MORE NEWS: Granholm Confirmed By Senate To Be Next Energy Secretary

Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.