Conservative Party Chairman Grant Shapps has said that the police commissioner has "questions to answer", after the UK's first youth police commissioner Paris Brown wrote offensive tweets before she became the first youth PCC for Kent.
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Claire Lomas was greeted by cheering supporters after walking through the night to make it to the finish line.
The boy matches no missing persons profile and police say they have yet to find any clues as to his identity.
The prime minister told MPs she was hopeful 'sufficient progress' would be made to move talks on to trade by December.