HARARE – A South African medical doctor on Friday claimed that Vice President Constantino Chiwenga’s former wife Mary Mubaiwa told him that President Emmerson Mnangagwa tried to kill his deputy in 2018. Willi Leo Sieling made the claims while testifying at the Harare magistrates court on Friday in a case where the former model faces a charge of attempting to murder Chiwenga, her ex-husband.