European leaders are set to gather this week for an emergency summit on the war in Ukraine.

This comes as concerns are growing that the US is moving ahead with Russia on peace talks that will lock out the continent. 

UK PM Sir Keir Starmer says it is a "once-in-a-generation moment for our national security." 

UK Correspondent Gavin Gray joins the show to discuss the summit, as well as the adventurous cat that had to be collected from London Waterloo station after tripping 30km away. 

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