Police say that they are "becoming increasingly concerned" as to the whereabouts of 25 year old Gabriel Adeniyi who was last seen near Albert Embankment.
Simon Hughes, speaking on Monday at St George's Primary School in Southwark, has called for St George's Day to be made a public holiday in England.
A man who had climbed onto the edge of the Millennium Bridge was rescued by the London Fire Brigade's fire boat on Monday afternoon.
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