Tamil protesters staging a demonstration in the City of London are now reported to be on the move.
It is understood that they are heading from Bank to the Commonwealth Secretariat offices at Marlborough House on Pall Mall.
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A baby dolphin has been spotted swimming in the Thames near Embankment pier.
The Olympic champion released a statement after a newspaper alleged his American coach may have broken anti-doping rules.
Five hurt after a car crashed into a group of pedestrians in south London.