MOSCOW, Feb. 29 (UPI) -- On Feb. 25 Russian First Deputy Prime Minister Dmitry Medvedev made a one-day working visit to Belgrade, the capital of Serbia. The presence of the foreign minister and his deputy shows the international importance of the visit in the context of Kosovo's self-proclaimed independence on Feb. 17.

Russian-Serbian deal on South Stream muddies Europe's gas waters; U.S. backs Nabucco for EU, critiques Russia; China-East Asia pipeline construction starts; Six vie for Emirates' Dolphin pipeline

BELGRADE, Serbia, Feb. 25 (UPI) -- Russia's deal Monday with Serbia for the building of the South Stream pipeline adds another complex layer to Europe's pipeline wars.

BELGRADE, Serbia, Feb. 25 (UPI) -- A top Russian diplomat told Serbian officials Monday that Moscow continues to back their opposition to Kosovo's independence.

BELGRADE, Serbia, Feb. 22 (UPI) -- Violent demonstrations against Western embassies in Belgrade have pitted Serbia's hardliner prime minister against its more moderate president, a report said.

BERLIN, Feb. 22 (UPI) -- Serbia is under increasing pressure to contain anti-Western violence after an angry mob torched the U.S. Embassy in Belgrade to protest Kosovo's independence.

BELGRADE, Serbia, Feb. 18 (UPI) -- Serbian Prime Minister Vojislav Kostunica summoned home the nation's ambassadors Monday from countries that have recognized Kosovo's independence from Serbia.

Iran has emerged as an unlikely champion of Europeans concerned by their growing dependence on Russia, giving the Nabucco pipeline project a fillip.

Russia to produce more oil, less gas in 2007; Russia, Serbia to ink energy agreement; Libya agrees to oil exploration with Germany's RWE