Johannesburg - A portion of a building which houses the offices of Gauteng Premier David Mahkura in the Johannesburg CBD caught fire on Friday morning Makhura's spokesperson Phumla Sekhonyane said the cause of the fire was not known. All city officials have been evacuated and Johannesburg Emergency Services are on scene dealing with the blaze. News24's Iavan Piljoos says Makhura has arrived at the scene.- Are you there? Send us your eyewitness accounts and photos. Currently at the fire of the office of Gauteng Premier David Makhura. @News24 pic.twitter.com/mmwqAPtL1b— Iavan Pijoos (@Iavan13) 30 June 2017GAUTENG PREMIER DAVID MAKHURA'S OFFICE ON FIRE IN JHB CBD pic.twitter.com/lojGe1jU5j— Godfrey Pandeka (@GodfreyPandeka) June 30, 2017(Pictures Iavan Piljoos, News24)Spokesperson for the Premier Phumla Sekhonyana says no injuries has been reported. @News24 pic.twitter.com/BDC9srMAr8— Iavan Pijoos (@Iavan13) 30 June 2017