A heavily armed police contingent descended on the Johannesburg CBD yesterday and used fences to separate DA and ANC Youth League (ANCYL) members during the DA’s march to Luthuli House — the ANC's headquarters — over rolling blackouts in the country.

Police and members of the Johannesburg Metro Police Department (JMPD) patrolled Simmonds and Helen Joseph streets near Beyers Naudé Square in the CBD, while their police nyalas and water cannons were stationed in the area...