The London Mayor Boris Johnson has said stories that he is planning to be Prime Minister should be "knocked on the head".
During an argument with the London Assembly Chair Jennette Arnold, he laughed off a suggestion that he was "being prime ministerial".
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Detectives are investigating whether an incident in which a car hit people outside a mosque was an anti-Muslim attack.
His family described him as a ‘wonderful dad and loving grandfather’.
A new unit is being set up including staff from health, police and local government agencies.