The residents of this housing estate simply chased them away. Background story I got was that somebody was holding an illegal block party in Brixton so the piggies went in to arrest people and break it up and ended up running away like the cowards they are. More details here: ⁣https://www.standard.co.uk/news/crime/block-parties-london-harrow-road-police-third-night-a4481921.html