A giant 50ft rubber duck is being prepared for a sail down the River Thames to celebrate the launch of a Facebook FUNdation, a bursary granting funds and rewards for daft ideas to encourage the British to have more fun.
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The millionaire winner is one of 10 lucky players from the EuroMillions Mega Friday draw on 28 November.
Members of the GMB union are protesting at changes to pay arrangements, including moving from weekly to monthly pay.
Transport for London gave away more than 22,000 travel passes last year under the 'Staff Nominee' scheme.