When the peaceful protests in Baltimore City turned to massive riots, the State of Maryland went into a state of emergency. The Baltimore City Fire Department were being overloaded with calls for service, they requested several units to back fill stations in the city. PGFD was contacted and asked if they could supply 8 pumpers and 2 ladder trucks for fill ins. At 0200hrs this morning PSC contacted Riverdale Fire Department and requested the engine to transfer to Baltimore City on the task force. Along with our fellow volunteer companies of Hyattsville (1), Bladensburg (9), West Lanham Hills (28), and Kentland (33) headed north to charm city. Engine 72 and truck 1 were assigned to the Steadman Station home of Baltimore City Rescue 1. While in the city units operated on several calls from medical calls to working fires. Engine 72 and the rest of the units from PG County were cleared to return home 1530hrs.