The row continued off-air when a furious Mr Johnson swore at his Labour opponent.
Travelling up to the roof terrace to be photographed, the Mayor shouted at Mr Livingstone "it's all f****** lies, it's all f****** lies".
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Luke Sinnott has won a gold medal in the 200 metre sprint for amputee competitors, now he is giving it to the family of a fallen soldier.
The Prime Minister will hold talks with the European Council President later - the first time since her Florence speech.
Hundreds of operations will be cancelled and waiting lists will grow if the NHS is as busy as last winter, according to Labour analysis.