Police officers and university administrators have clashed with pro-Palestinian protesters on a growing number of college campuses across the country in recent days, arresting students, removing encampments and threatening academic consequences.

The fresh wave of student activism against the war in Gaza was sparked by the arrest of at least 108 protesters at Columbia University on April 18, after administrators appeared before Congress and promised a crackdown. Since then, police interventions on several campuses, including in some of America’s largest cities, have led to more than 700 arrests.

Here is where arrests have been reported as the authorities attempt to break up protests or encampments: