A section of highway in the Northern Territory has been closed after five people died in a crash. (Lloyd Jones/AAP PHOTOS)A section of highway in the Northern Territory has been closed after five people died in a crash. Their bravery was highlighted by Northern Territory Police, who said they did everything they could to save lives. Names of the dead had not been released but police believe they know the families involved and had contacted them, Commander Griffiths said. The tragedy would have a "long and deep impact" on all concerned, including family, friends and first responders, Commander Griffiths said.