The number of people killed by a nightclub fire in the…city of Perm has risen to 112, the regional emergencies service said…The tragedy occurred…during a party to celebrate the Lame Horse club's eighth anniversary when an indoor fireworks display started a fire…Many victims were trapped and choked on smoke as they attempted to escape through the club's single exit. Over 120 were injured in the nightclub fire…A criminal case has been opened for violations of fire regulations that resulted in multiple deaths…President Dmitry Medvedev, who declared Monday a day of national mourning, accused those running the club of gross negligence, and called for harsh punishment.