Philadelphia October 18, 2022 9:58 am Dirt Bike Riders Attack Philly Police Authorities are searching for at least one suspect after they say a group of dirt bike and ATV riders surrounded Philadelphia police officers and peppered them with bricks, bottles and other objects. US & World Videos 1:44 Pro-Palestinian protesters remain on UPenn's campus despite warnings to disband 1:30 Protests calling for ceasefire continue at Penn 6:33 Family affair: Former Eagle and new Eagle Jeremiah Trotter and Jeremiah Trotter Jr. speak out 0:20 Teen girl shot in Southwest Philly, suspect in custody 0:27 FBI inspects American Airlines plane at PHL after bomb threat