Sadiq Khan and David Cameron
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EU Referendum: Sadiq Khan joins PM to urge EU Remain vote

Labour Mayor of London Sadiq Khan has joined Prime Minister David Cameron to launch a Remain battle bus.

Mr Cameron had previously criticised Mr Khan's "poor judgement" during the London mayoral election.

However, on Monday they said they would work together in Londoners' best interests - and shared a joke about their fathers' very different careers.

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