Initial reports say 3 people have been killed and 25 injured in the explosion in the Syrian city of Aleppo - according to the Syrian Observatory For Human Rights.
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A mild night and another misty, grey start in places in the morning.
John Kelly said he was "broken hearted" by the criticism, adding the president had expressed his condolences "the best way that he could".
A survey by ITV News found Tory activists are surprisingly supportive of the Prime Minister, despite the result of the General Election.