Police say a Lancaster County woman was assaulted by her her roommates ex-boyfriend early Sunday morning. Lauren Nauman, 27, told police her ex-boyfriend, Jonathon Ocasio-Figueroa, 25, of Lebanon, waited outside her Knollwood Drive residence and waited for her roommate to come home. When she opened the door at 2:40am, Ocasio-Figueroa, pushed his way in and a verbal dispute turned physical. Ocasio-Figueroa grabbed Nauman by her arms and threw her to the ground. Nauman’s head hit the wall and she suffered a large lump on her head and bruising to her upper arm. Ocasio-Figueroa fled the scene but was arrested by police. He is charged with simple assault and burglary.