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Aleksandr Turchinov, Acting President of Ukraine.Ukraine's Parliament has asked the United Nations Security Council to address the country's political turmoil, cbc.ca reports.
Lawmakers on Friday adopted a resolution calling for a security council session amid growing tensions as pro-Russian gunmen asserted control over airports in the southern Crimea region.
The resolution also called on Russia to halt steps which it says are aimed against Ukraine's sovereignty and territorial integrity.
Russian military units were blocking an airport in the Black Sea port of Sevastopol in Crimea near the Russian naval base while unidentified men were patrolling another airport serving the regional capital, Ukraine's new interior minister said Friday.
Arsen Avakov, Home Office Minister of Ukraine.Arsen Avakov said in a Facebook post that the Belbek international airport in Sevastopol is blocked by military units of the Russian navy.
"I can only describe this as a military invasion and occupation," Avakov said.
The Russian foreign ministry refused to comment while a spokesman for the Russian defence ministry also had no comment.
Reuters cited Interfax news agency as saying Russia's Black Sea fleet denied its forces were involved in seizing or blockading the Belbek military airport.
Early on Friday, dozens of armed men in military uniforms without markings were seen patrolling the airport in Simferopol, the capital of Crimea.
An Associated Press photographer saw military men armed with assault rifles Friday morning patrolling the airport. The men, who were wearing uniforms without any insignia, refused to talk to journalists, and it was not immediately clear who they were.
On Thursday, masked gunmen with rocket-propelled grenades and sniper rifles seized the parliament and government offices in Simferopol and raised the Russian flag over the parliament building.
The events in the Crimea region have heightened tensions with neighbouring Russia. It scrambled fighter jets on Thursday to patrol borders in the first stirrings of a potentially dangerous confrontation reminiscent of Cold War brinksmanship.
Russia also has granted shelter to Ukraine's fugitive president, Viktor Yanukovych, after recent deadly protests in Kyiv swept in a new government.
Yanukovych has a news conference scheduled Friday in Russia's south near the Ukrainian border. He has not been seen publicly since Saturday, and he declared Thursday in a statement that he remains Ukraine's legitimate president.
Ukraine's parliament on Thursday elected a new government led by a pro-Western technocrat who promptly pledged to prevent any national break-up.
Moscow has been sending mixed signals about Ukraine but pledged to respect its territorial integrity. Russian President Vladimir Putin has long dreamed of pulling Ukraine — a country of 46 million people considered the cradle of Russian civilization — closer into Moscow's orbit.
The escalating conflict has sent Ukraine's finances plummeting, prompting Western leaders to prepare an emergency financial package.
For Ukraine's neighbours, the spectre of Ukraine breaking up evoked memories of centuries of bloody conflict.
"Regional conflicts begin this way," Polish Foreign Minister Radoslaw Sikorski said Thursday, calling the confrontation "a very dangerous game."
Ukraine's new prime minister, Arseniy Yatsenyuk, on Thursday said the country's future lies in the European Union, but with friendly relations with Russia.
On Thursday, masked gunmen with rocket-propelled grenades and sniper rifles seized the parliament and government offices in Simferopol and raised the Russian flag over the parliament building.
The events in the Crimea region have heightened tensions with neighbouring Russia. It scrambled fighter jets on Thursday to patrol borders in the first stirrings of a potentially dangerous confrontation reminiscent of Cold War brinksmanship.
Russia also has granted shelter to Ukraine's fugitive president, Viktor Yanukovych, after recent deadly protests in Kyiv swept in a new government.
Yanukovych has a news conference scheduled Friday in Russia's south near the Ukrainian border. He has not been seen publicly since Saturday, and he declared Thursday in a statement that he remains Ukraine's legitimate president.
It only became part of Ukraine in 1954 when Soviet leader Nikita Khrushchev transferred jurisdiction from Russia — a move that was a mere formality until the 1991 Soviet collapse meant Crimea landed in an independent Ukraine.
In a bid to shore up Ukraine's fledgling administration, the International Monetary Fund has said it is "ready to respond" to Ukraine's bid for financial assistance. The European Union is also considering emergency loans for a country that is the chief conduit of Russian natural gas to western Europe.
Ukraine's finance ministry has said it needs $35 billion over the next two years to avoid default.
Map: A divided Ukraine
European loyalties run highest in the Ukrainian-speaking west of the country, while the eastern half generally falls more into the Russian orbit.Hover over the red and blue dots to learn more about specific flashpoints in the conflict.