Russian volcano erupts for first time in centuries

A volcano in far eastern Russia has erupted for the first time in more than 500 years, which experts say may be linked to last week's massive earthquake.The Krasheninnikov Volcano in Kamchatka threw up an ash plume up to six kilometres (3.7 miles) high overnight. There are no threats to populated areas, Russia's emergency ministry said.Hours later, another large earthquake in Russia led to tsunami warnings in…