Police patrols are set to be ramped up across London ahead of protests outside the US and Iranian embassies this weekend. A Stage for Freedom demonstration against the Iranian government will march from Whitehall to Kensington Road near Hyde Park in Knightsbridge, close to where the nation's embassy is situated, on Saturday afternoon. Meanwhile, a separate march of groups including the Campaign for Nuclear Disarmament (CND), Stop the War Coalition and the Palestine Solidarity Campaign will head from Millbank to the United States embassy to call for an end to attacks on Iran. The Metropolitan Police has imposed conditions requiring...