A baby was delivered by security guards at Canary Wharf.
Daphne Bolus gave birth to the baby boy who has been named Matthew John Bolus.
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The London Marathon brings together thousands of people raising money for charity - not to mention some rather unusual costumes.
Planning on going to the London Marathon tomorrow? Read our handy guide first!
Celebrations to mark St George's Day have started in Trafalgar Square with feasts and tea to be found in abundance.