The Home Secretary's announcement that the UK Border Agency (UKBA) will be split comes after the Home Affairs Select Committee warned that it would take the agency 24 years to clear a backlog of asylum and immigration cases.
The committee also launched a scathing attack on former UKBA chief Lin Homer, now the head of Britain's tax office, for her "catastrophic leadership failure" when she was in charge of the country's border controls.
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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.