Police say they have made six arrests during the anti-capitalist protests taking place in central London.
Alleged offenses included one for assault on police, one for possession of a weapon and one for failing to remove a mask.
At 10.00 am the Met say officers executed a search warrant at a building in Beak Street after receiving reports that 'individuals were in possession of weapons and were intent on causing criminal damage and engaging in violent disorder'.
More top news
The unlicensed events unfolded on Saturday night at Clapham Common and Tooting Bec Common.
A 37 year old man who was taken to hospital after getting into difficulty in a stretch of water near Maidenhead has died.
Jonty Bravery, who is mentally ill, has been jailed for 15 years after throwing a six year old boy from the Tate modern balcony.