Johannesburg City Power shed light on outages which prompted a protest and looting at Diepkloof hostel in Soweto on Saturday.
Johannesburg metro police JMPD are monitoring protesters after they blocked the N12 east/N1 north highway at the Diepkloof Interchange, as well as Chris Hani Road, with burning tyres and debris.
Two trucks were also looted during the early morning disruptions, said metro police spokesperson Supt Xolani Fihla.