Around 1,000 EDL protesters then made their way along Whitehall before taking a position on the pavement across the road from Downing Street.
A smaller group of anti-fascist demonstrators gathered opposite them holding an "EDL Racists" banner.
Both sides traded insults but were kept apart by officers and barriers.
The EDL supporters chanted: "We hate Cameron."
The anti-fascist supporters chanted: "Racist scum off our streets."
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