At least 15 people have died and 5 others are missing after a dam collapsed at a gold mine in Siberia.<br />The dam, built on the Seiba river in Krasnoyarsk, burst after heavy rain on Saturday, sweeping away small cabins where workers lived.<br />While the bitterly cold weather is making the search operation even more challenging,...Russia has launched a criminal investigation into the possible violation of safety rules.<br />Local authorities say the dam was not registered by official bodies.<br />Russian President Vladimir Putin has also ordered officials to provide assistance and investigate the reasons behind the dam collapse.<br />
