Penn protest: Philadelphia police arrest protesters as officers disband University of Pennsylvania encampment WPVI-TVAnti-Israel protests sweep US college campuses around the nation Fox News33 protesters arrested as Philly police clear encampment at University of Pennsylvania WHYYPhiladelphia police arrest pro-Palestinian protesters, disband encampment at Penn NBC PhiladelphiaPolice Move In on Pro-Palestinian Encampments at Penn, MIT The Wall Street Journal