Student shooter dies 'during exchange of fire' with armed resource officer after walking into his Maryland high school and gunning down a teen boy and girl - leaving them both fighting for life

A student gunman has died following a shootout with a resource officer after opening fire and critically wounding a 14-year-old boy and 16-year-old girl at a Maryland high school. The shooting happened just after classes started at Great Mills High School around 8:15am. St Mary's County Sheriff Tim Cameron said that the shooter pulled out a handgun and shot a teen girl before being injured himself in an exchange of fire with the resource officer. A male student was also hit by a
bullet. The resource officer was not injured in the shooting. All three victims were transported to MedStar in St. Mary's. It's unclear if there was a relationship between the shooter and the two victims, Sheriff Cameron said. A student, Mollie Davis took to Twitter (inset) during the incident and expressed her disbelief that a school shooting had occurred, writing, ‘You never think it will be your school’. Sheriff Cameron did not say exactly how the shooter was injured, but if he was shot and killed by the resource officer it will no doubt add a political dimension to the incident since President Trump has suggested arming more school staff to prevent shootings. The shooting comes as many students across the country are calling for effective gun controls, leading up to Saturday’s March For Our Lives rally in the nation’s capital against gun violence in schools