DORMONT, Pa. — A man has been arrested after a deadly hit-and-run crash in Dormont on Saturday night. Police say the suspect was driving a red Ford Taurus that hit a motorcyclist near Pioneer and West Liberty avenues. Christian Sluka, 23, was killed. In an update Sunday evening, police identified Saul Rivera-Ramirez, 25, as the driver. After the crash, he allegedly got out of the car and ran away from the scene. Rivera-Ramirez is now in custody. He is facing a list of charges, including homicide by vehicle and driving without a license.