A view shows the burned Crocus City Hall concert hall in Krasnogorsk, outside Moscow, on Saturday. Stringer/AFP/Getty ImagsNearly 500 personnel are working to dismantle rubble at the scene of the arena attack in Moscow, the Russian Emergencies Ministry said on Saturday.“In the morning, they started the dismantling of the most difficult part: the auditorium, where the ceiling partially collapsed,” the ministry said. “The work will be carried out throughout the day.”The Russian Investigative Committee has said that, as work continues at the site, the number who died in the attack would…