Attackers kill 60 at concert hall

MOSCOW -- Assailants burst into a large concert hall in Moscow on Friday and sprayed the crowd with gunfire, killing more than 60 people, injuring more than 100 and setting fire to the venue. The Islamic State group claimed responsibility for the attack in a statement posted on affiliated channels on social media. A U.S. intelligence official told The Associated Press that U.S. intelligence agencies had learned that the group's branch in Afghanistan was planning an attack in Moscow and shared the information with Russian officials. It wasn't immediately clear...