A Kenduskeag man was arrested Friday night after he allegedly pushed a sheriff’s deputy off a set of stairs. George Taylor, 56, was charged with aggravated assault and assault on a police officer, according to the Penobscot County Sheriff’s Office. Penobscot County sheriff’s Deputy Cpl. Ryan Fitch went to a residence in Kenduskeag to serve paperwork to Taylor from another police agency about 11 p.m., the sheriff’s office said. Fitch tried knocking on the door beyond which a man was heard yelling and running.