The British National Party (BNP) will stage a planned march today between Old Palace Yard and the Cenotaph in Whitehall, Westminster.
In a statement issued on the party's website, it said party members are rallying to force the coalition government to act against Islamic hate preachers.
On Thursday, the Metropolitan Police denied the political party permission to march from Woolwich Barracks to the Lewisham Islamic Centre following the death of soldier Lee Rigby.
The authorities said a rally in Woolwich would inflame "current community tensions".
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