Their arrest brings the total number of arrests to 23 since the eruption of violence on Wednesday.
The residents in the area have taken to the streets demanding the resignation of Premier Supra Mahumapelo whom they accuse of corruption and maladministration.
Most entry points to the city are barricaded with rocks and debris and several roads remain closed.
Shops have been looted and properties torched during riots which first erupted in Montshioa township and spiraled to several main roads, including the Mahikeng CBD, nearby Danville suburb, Setlopo village and surrounding areas.
The police in North West say their deployment will remain in place to make sure that normal services, including clearing of major roads so that the public can utilise them, continue.
The police have urged the protesting members of the community to respect the rule of law and the rights of those who are not participating in the protest.
As part of normalising services, SAPS has urged members of the community who cannot reach their police stations to call (018) 397 4032/37