Boris Johnson says that although he is likely to run for Parliament in next year's general election, he still intends to serve out his term as Mayor of London until its end in 2016.
Mr Johnson made the remarks at a speech in London this morning where he said he would "in all probability" try to run for Parliament next year.
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A "public-spirited" passerby retrieved the child.
A man wanted in connection with a hit-and-run crash which killed a four-year-old girl has been arrested, police have confirmed.
Scotland's First Minister was pictured with her feet up on the sofa while penning the document to Theresa May.