Biden warns Putin of 'severe costs' if Russia invades Ukraine

US President Joe Biden has directly warned Vladimir Putin of 'swift and severe costs' if the Russian leader orders an invasion of Ukraine. Biden had requested a phone call with Putin, but the one-hour conversation ended without a breakthrough. Meanwhile, more than a dozen nations have urged citizens to leave Ukraine, and its believed the US has withdrawn most of its embassy staff. But as Liz Maddock reports, leaders in Ukraine don't appear to be as concerned as other nations. Subscribe: http://trt.world/subscribe Livestream: http://trt.world/ytlive Facebook: http://trt.world/facebook Twitter: http://trt.world/twitter Instagram: http://trt.world/instagram Visit our website: http://trt.world