highland, illinois, a sell brigg celebration ended in tragedy when a gunman opened fire on an independence day parade. six have been killed, one at the scene and five died at the hospital. at least two dozen have been taken to the hospital with serious injuries and at least one is a child who has been quit critically injured. the gunman is still at large and police say that the suspect is considered armed and dangerous. the suspect carried out the shooting spree from a rooftop and is believed to have acted alone. the suspect had a high powered rifle recovered at the scene is right now being urgently traced by federal officials to determine who purchased the weapon and where it came from. officials are searching social media for any threats or clues. we expect a fourth update from law enforcement within this hour. i want to go live to the scene in highland park, illinois. police say this is still a very active situation. what is the latest they are saying about telling the com