News of the Day, 15:00 Moscow time

* Gazprom lost $2 billion during a gas dispute with Ukraine this month, a senior executive at the Russian energy giant said

* Russian Prime Minister Vladimir Putin has said he is "cautiously optimistic" about future relations with the United States under President Barack Obama

* Russia's envoy to NATO resumed informal talks with NATO ambassadors in Brussels, the Russian mission at NATO headquarters said

* Russia's federal space agency Roscosmos must take a proactive stand on the testing and production of sea-based Bulava intercontinental ballistic missiles, Deputy Prime Minister Sergei Ivanov said

* The guided missile cruiser the Moskva, the flagship of Russia's Black Sea Fleet, has conducted computer-simulated missile attack drills in the Mediterranean, the fleet's spokesman said

* The Collective Security Treaty Organization (CSTO) and the Eurasian Economic Community (Eurasec) may hold summits in the Russian capital in early February, a source in the Russian Foreign Ministry said

* Around 60% of Bolivians have voted for a new left-wing Constitution which will hand more power to the country's Indian population and introduce more economic and land reforms, national television reported citing exit polls

* The owner of the Russian electronics retailer Eldorado and the PPF Group agreed last week on transferring a 51% stake in the retailer to the Czech company, Vedomosti, a business paper, reported

* Newspapers and magazines in Turkmenistan are removing references to the country's late president, Saparmurat Niyazov, and his relatives from their titles, Russian media said