The suspects' parents told Russian state media that the FBI had been speaking with their sons.

CNN: FBI agents interviewed bombing suspect in 2011

Moscow (CNN) -- French-born actor Gerard Depardieu arrived in the Black Sea resort of Sochi Saturday, according to Russian state media, a day after he announced that he had accepted Russian citizenship.

CNN: STORY HIGHLIGHTS

Vladimir Stepanov, of the National Center for Emergency Situations at the Russian Interior Ministry, earlier told state media that hospitals, kindergartens and schools were among those affected.

CNN: STORY HIGHLIGHTS

State media quoted the ministry as praising "the firm Russian stance which is based on the UN principles of non-interference in internal affairs or the threat to use force against the safety of any state".

BBC: Syria conflict: US says Assad can have no post-war role

State-run media also posted a series of photos released by Russian security services that purportedly showed Mr. Fogle's detention.

WSJ: Russia to Expel U.S. Diplomat

Russian internet forums, which allow for genuine public debate in a country where the state dominates the media, have been crackling with anger over the fire-fighting effort.

BBC: Russian PM Vladimir Putin answers angry fires blogger

Ukraine's state television UT1 argued that Russian TV's live transmission of the switch-off was something of a media flop.

BBC: Media pump out gas coverage