At least 40 people are dead and more than 100 people injured in what Russian authorities are calling a suspected terrorist attack on an event hall in the Moscow region, according to Russia’s FSB domestic intelligence agency. Unidentified men wearing camouflage clothing stormed the Crocus City Hall on Friday shortly before the start of a concert in the city of Krasnogorsk, north-west of Moscow, and opened fire, the Russian Prosecutor General’s Office said. Russian media had previously reported gunshots and the sound of explosions in the Crocus City Hall and dozens of dead and injured. The victi…