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Ukraine's Petro Poroshenko makes plea to 'lay down arms'

7 June 2014 Last updated at 10:08 BST

Petro Poroshenko has been sworn in as president of Ukraine, setting out a plan to bring peace to the conflict-torn east of the country.

In his acceptance speech at a ceremony in Kiev, he called on all who had engaged in armed action to ''lay down their arms''.

Mr Poroshenko won a landslide victory two weeks ago and wants Ukraine to join the European Union.