News Break with Barry Stagner

Top Stories: * A man in a mask and combat gear was fatally shot Monday morning in downtown Dallas after he opened fire with an assault weapon outside the Earle Cabell Federal Building. No one else was injured. * Children were used as suicide bombers in a triple attack in Nigeria on Monday, Unicef has said. Two girls and a boy carried out the bombing outside a video hall in Konduga village in north-eastern Borno State, the UN children's charity said. Their ages are not yet known.