Commencement ceremonies are being held at colleges and universities across the U.S. As many campuses have been roiled by protests over the Israel-Hamas war, some school administrations have taken steps to contain disruptions during their commencement activities.

University of Michigan’s commencement was held early Saturday with a few interruptions. Ahead of the ceremony, the school had said staff and security officers were ready to respond and that interfering with commencement would not be considered free speech.

Indiana University has designed protest zones outside graduation venues ahead of its commencement planned for Saturday evening. The Bloomington, Indiana, campus is designating zones outside Skjodt Assembly Hall and Memorial Stadium, where ceremonies will be held Saturday for undergraduates.

Here is a look at some of the commencement ceremonies: