The Cumberland City Police Department is investigating several incidents of vehicle tampering and theft over the weekend in the North End area of Cumberland. The incidents occurred between the hours of midnight and 3 a.m. yesterday. If anyone has information, they are asked to contact police headquarters at (301)-777-1600. Police are also reminding residents that vehicles should be locked, and to keep valuables out of plain sight, when it’s not feasible to remove them from the vehicle.