Security video of actual explosion at the train station in Volgograd, Russia, and its aftermath.
Two more people wounded by suicide bombings in the Russian city of Volgograd have died, a news agency reported on Tuesday.
14 people were killed when a bomb blast ripped through a trolleybus on Monday in the second attack in the Russian city of Volgograd in two days.
At an emotional press conference Khodorkovsky vowed to do all he can to ensure the release of political prisoners, the Associated Press reports.
Mikhail Khodorkovsky's release after 10 years in jail reflects Putin's consolidation of power in Russia.
Russian President Vladimir Putin said he would soon pardon jailed oil tycoon Mikhail Khodorkovsky, who still has eight months left to serve in jail.
Russia has agreed to buy $15 billion of Ukrainian debt and to reduce the price its cash-strapped neighbor pays for vital Russian gas supplies.
Ukraine's opposition accused President Viktor Yanukovich of betraying national interests after talks with Russia, though both countries said nothing had been agreed.
The Ukrainian Prime Minister tendered his resignation on Thursday, after upbraiding fellow politicians.
East Europe has struggled to attract investors thanks to its “Wild West” image. Countries hope to show that things have changed.
Ukrainian's President has urged the EU to take tough action against Russia over the separatist conflict in Ukraine's eastern regions.