Russia investigating shooting, explosions at concert hall as terror attack

Shootings, explosions and a fire at a concert hall Friday evening that left dozens dead in Russia are being investigated as a terrorist attack, the country's top investigative agency said. Russia’s Federal Security Service said more than 60 people were killed in the attack at Crocus City Hall, a music venue, and nearly 150 others were injured in one of the deadliest attacks in the country in years. The attack began when gunmen donning combat gear burst into a Moscow-area concert