SUTHERLAND SPRINGS, TEXAS, Nov 7: The gunman who killed 26 people at a small-town Texas church had a history of domestic violence and sent threatening text messages to his mother-in-law, a member of First Baptist, before the attack, authorities said Monday.

Facebook said it wanted to make its social media platform a "hostile environment" for terrorists in a statement issued after attackers killed seven people in London and prompted Prime Minister Theresa May to demand action from internet firms.

NEWYORK, May 20: North Korea's deputy U.N. envoy said on Friday the United States needed to roll back its "hostile policy" toward the country before there could be talks as Washington raised concern that Pyongyang could be producing a chemical used in a nerve agent.