Bottles and beer cans are now being thrown by rival EDL and anti-fascist protesters facing off in Whitehall, ITV News reporter Ben Chapman says.
Police in riot gear are now moving into the area between the two groups.
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Patchy rain affects northern areas of the UK in the next 24 hours. Elsewhere, dry but rather cloudy.
Marjorie and Micheal Cawdery, both 83, were found dead in their house in Portadown, Northern Ireland on Friday.
Ann Myatt, who is contesting Jo Cox's former seat, told a hustings: "We've not yet shot anybody so that's wonderful."