Residents in Westbury on Monday continued to protest against gang violence and alleged police collusion in the area.
Power FM reported earlier that police have resorted to rubber bullets and tear gas to disperse angry crowds.
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Police were deployed to the area as early as 3am.
Last Friday, violence erupted during an anti-crime protest over the death of a woman caught in the crossfire of a drive-by shootout between rival gangs.
Two suspects were arrested, but residents want more to be done.
Last week, they called on the government to investigate Sophiatown police officers who, they claimed, were not dealing with the crime because they were being bribed.
Drug turf wars in September last year led to the deaths of four people in a week.
On Sunday, JMPD spokesperson Wayne Minnaar said metro police would monitor the area and assist motorists if roads were blocked again.
On Friday, motorists were unable to access parts of Fuel Road, the intersection of Main Road and Perth, and Hoy Street.
Five people, including a 68-year-old woman, were hit by rubber bullets fired by SAPS.