Ukraine Crisis | Putin Puts Russia's Nuclear Deterrent Forces on Alert; 'Irresponsible', Say US, NATO

Russian President Vladimir Putin on 27 February ordered his defence chiefs to put the country's "deterrence forces" on high alert amid tensions with the West over Ukraine. He also accused western countries of taking "unfriendly" steps against his country. US and NATO called the move dangerous, unacceptable, and irresponsible.