City Power is investigating after a technician was injured in an explosion at the Crown substation in Johannesburg on Wednesday. Spokesperson Isaac Mangena said a team was working at the substation when they experienced a “flashover from the busbar area”. The cause of the flashover is being investigated. ADVERTISING “The technician was taken to the hospital where he is receiving treatment.” He said the incident led to an outage from Crown substation affecting four distributors feeding Ormonde View, Booysens Reserve, Therta and Soccer City. Mangena said the team is on site doing repairs. “Unfor…