Anti-Thatcher protesters have been urged to contact police if they wish to demonstrate in London on the day of the former prime minister's funeral.
Commander Christine Jones of the Metropolitan Police Service said "there has been much speculation about what levels of protest may take place" next Wednesday.
She said measures would be taken to allow people to rally against Margaret Thatcher, while protecting mourners and the public in the capital.
"The right to protest is one that must be upheld," Commander Jones said. "However, we will work to do that whilst balancing the rights of those who wish to pay their respects and those who wish to travel about London as usual."
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