The United States has warned Russia that it would be a "grave mistake" to embark on military intervention in Ukraine.
"I don't think there should be any doubt whatsoever that any kind of military intervention that would violate the sovereign territorial integrity of Ukraine would be a huge - a grave mistake," US Secretary of State John Kerry said.
More top news
As the world remembers the Holocaust, an Auschwitz survivor says he remains "fearful" following the attack on a Jewish supermarket in Paris.
Police are hunting four men who smashed their way into a jewellers in broad daylight and threatened staff with sledgehammers.
ComRes polling agency chairman says the next 100 days will be be gruelling in the most uncertain General Election that anyone can remember.