Pro-Russian rebels released dozens of captive Ukrainian troops Sunday as part of a ceasefire deal.Ukrainian President Petro Poroshenko said in a Twitter post that 73 troops were released in Donetsk.

A list of 5 million Gmail addresses and passwords appeared on a Russian Bitcoin forum Wednesday.

The European Union has decided to slap new economic sanctions on Russia over its actions in Ukraine, diplomats said Thursday.

Chancellor Angela Merkel says Germany favors putting new European Union sanctions against Russia into effect until it's clear that a peace plan for eastern Ukraine is being implemented fully.

A battle dress belonging to an ancient Siberian knight in bony armour has been unearthed in Russia.The Bronze Age warlord's protective garb was made entirely of bone, and was found in 'perfect condition' after being secreted for between 3,500 and 3,900 years.

The last Soviet leader Mikhail Gorbachev - the man who ended the Cold War - demanded that Vladimir Putin and Barack Obama urgently overcome difficulties in their personal relationship and heal the wounds in Ukraine 'if we do not want to kill the world where all of us now live'.Mr Gorbachev today warned both men of their responsibility amid fears that their mutual animosity is stoking the serious conflict in eastern Europe.

Russia's state-owned RIA Novosti news agency says one of its photojournalists has died in eastern Ukraine.Andrei Stenin went missing in early August, his whereabouts unknown.

Pro-Russian rebels in Ukraine should open a humanitarian corridor for surrounded Ukrainian troops to retreat from the battlefield, the Russian President's office said Friday.

Two Ukrainian military jets were shot down in the Donetsk region of the country today, the Ukrainian defense ministry said.The planes were identified as Sukhoi-25 fighter jets. The fate of the planes' pilots was not immediately known.

Two people have been arrested in connection with a metro train derailment in Moscow which left more than 20 people dead and injured scores more, Russia's Investigative Committee said Wednesday.The pair held on suspicion of violating transport safety rules are a maintenance foreman, Valery Bashkatov, and his assistant, Yury Gordov, a statement on the committee's website said.