(FILES) This file photo taken on June 02, 2017 shows Zimbabwe first lady Grace Mugabe addressing the crowd during a Zimbabwe ruling party Zimbabwe African National Union ? Patriotic Front (ZANU-PF) youth rally at Rudhaka Stadium in Marondera. South African police on August 15, investigated an alleged assault by the Zimbabwean first lady Grace Mugabe on a model who was in a hotel in Johannesburg with her two sons. Grace Mugabe is alleged to have attacked Gabriella Engels, 20, with an extension cord on August 13, leaving her with wounds on her forehead and on the back of her head. / AFP PHOTO / Jekesai NJIKIZANA