Russia is hit by a apparent terrorist attack in Russia's busiest airport. Reports say 31 dead and hundreds injured. Survivor's recall the events and one may have even spotted the bomber seconds before the explosion.

Sergei L. Loiko -Los Angeles Times

The bomb at Domodedovo International Airport was packed "full of metal pieces" and was the equivalent of between 15 and 22 pounds of TNT, a source in the Russian Investigation Committee told the state RIA Novosti news agency.

Investigation Committee spokesman Vladimir Markin told Russia 24 television that the blast was a terrorist act and that an investigation had been launched. Interfax news agency reported that law enforcement agencies were looking for three suspects.

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