The Mansfield Post of the Highway Patrol is a investigating a serious injury crash that involved two vehicles in Washington Township on Sunday night. The Patrol says a car driven by 49 year old Gary Brown of Shiloh failed to stop at a stop sign and was struck by 19 year old Megan Pullem of Butler. The crash took place at the intersection of Washington South Road and Possum Run Road. Two passengers in Brown’s vehicle were taken to Ohio Health Mansfield for their injuries.