Minor scuffles have taken place between anti-Thatcher protesters and police in Trafalgar Square.
Scotland Yard said they have an "appropriate policing operation" in place.
More top news
A widespread frost across the UK as temperatures fall below freezing under clear skies.
After a vote tainted by reports of ballot-box stuffing and forced voting, Putin said Russia was ready to 'cooperate' with Britain.
Largely dry elsewhere tonight with a widespread frost and icy stretches