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The Russian President Vladimir Putin says there's no need yet to send Russian troops into Ukraine, but he won't rule it out as a "last resort". We hear from correspondents in Moscow and Crimea, and speak to a former ambassador and a US analyst. In our weekly health round up, Shelagh visits a major international Health exhibition to look at the latest innovations available to the NHS - from an app that helps teens manage their mental health to a system for monitoring your own heart with your smartphone. Also today, can being angry make you more prone to a heart attack? A study suggests a clear link - so we look at how to keep calm and carry on. And according to new research it costs MORE to put 2 children through part-time child care than it does to pay the average mortgage. We crunch the numbers and find out why costs are rising.