More than 300 people have been arrested amid a wave of violence against African and other immigrants in the last two weeks.
President Zuma earlier re-iterated his condemnation of the xenophobic attacks on foreign nationals and has urged the police to continue working round the clock to protect communities and bring perpetrators to book.
Foreigners have complained about a lack of protection and some began arming themselves to retaliate. The country faces a backlash from the rest of the continent because of the attacks against foreign nationals. The world has condemned the violence.
On Saturday, president visited a refugee camp where more than a-thousand migrant workers have fled, after a wave of violence against foreigners and assured them of safety.
Violence flared after the Zulu King Goodwill Zwelethini reportedly said foreigners should leave South Africa. He has since said his comments were misinterpreted.