Zimbabwe President Robert Mugabe’s wife has arrived home as she faces accusations that she assaulted a model with an extension cord.Zimbabwe’s first lady Grace Mugabe arrived in Harare today and denies the assault, which is alleged to have taken place a week ago during a trip to Johannesburg.She was able to board an Air Zimbabwe flight with her husband, after securing diplomatic immunity despite security services being on red alert after 20-year-old Gabriella Engels was injured, Reuters reported.Photo Credit: Reuters