HANOVER – Hanover Borough Police are investigating a pedestrian accident that occurred in the 1000 block of Carlisle Street on Saturday, October 22 at approximately 9:11 p.m. 18-year-old Dylan Flickinger of Hanover was struck by a 2008 Pontiac G6 operated by Kevin Shaeffer of Westminster, Maryland while attempting to cross the roadway. Flickinger was wearing dark clothing and was not using a marked crosswalk at the time of the accident. He was flown by helicopter from the scene to York Hospital with serious injuries. Authorities are asking anyone that may have witnessed the accident to contact the police department through York County 911 or at 717-637-5575.