Gunman kills four, injures at least three more in Nashville, US

Four people have been killed and at least three others wounded following a shooting at a Waffle House in Nashville, Tennessee. A shooter opened fired at about 3:30am local time at the Waffle House on Murfreesboro Pike in Antioch. Witnesses described the gun as an AR-15. A customer managed to take the rifle from the man, who was reportedly naked under his green jacket at the time. Police continue to search for the suspect. At least one of the wounded is in critical condition.