Last week FCC started to investigate the thumping roaming bills. Yesterday Igor Artemyev, head of the Federal Antimonopoly Service, Russia said that there will be “significantly lower tariffs” for roaming in Russia and the Commonwealth of Independent States. Russia’s three biggest mobile operators, OAO Mobile TeleSystems (MBT), VimpelCom Ltd. (VIP) and Megafon, confirmed Wednesday that they have lowered mobile roaming tariffs in Russia and the CIS by up to 70%, ahead of the results of an inquiry into the high tariffs. The mobile operators will “significantly lower tariffs” for roaming in Russia and the Commonwealth of Independent States no later than Dec.