Man arrested over Russian nightclub fire in Thursday . 156 people killed when fireworks triggered a fire and panic . ( CNN ) -- Investigators have arrested a suspect from Russia in connection with a fire that killed 156 people in a nightclub in Russia in 2009 , the Spanish National Police said Thursday . Mrykhin had been wanted in Perm over the blaze .
Man arrested over Russian nightclub fire in Thursday . 156 people killed when fireworks triggered a fire and panic . Mrykhin had been wanted in Perm over the blaze .