Emergencies ministry\'s specialists decided to transfer 12 out of 55 people, injured in a household gas tank explosion in Russia\'s southern republic of North Ossetia, to Moscow. A gas tank exploded on Saturday during wedding celebrations in the North Ossetian city of Vladikavkaz injuring 55 people, with 20 of them receiving bad injuries. \"Following a medical expertise of the injured, it was decided to transfer to Moscow 12 injured people, including three children,\" a spokesman for the local emergencies ministry said. According to the preliminary information, the blast was caused by the depressurization of a gas tank. Russia\'s Emergency Situations Ministry Il-76 plane with mobile medical units on board arrived in Vladikavkaz on Saturday at 21:43 Moscow time (17:43 GMT).