HARARE – The National Vendors Union of Zimbabwe (Navuz) — led by the forceful anti-President Robert Mugabe activist, Sten Zvorwadza — has claimed that its Harare chairperson, Kudakwashe Kambakunje, was “abducted and brutally assaulted by suspected State security agents” on Tuesday. Zvorwadza said by mid-morning yesterday, Kambakunje — who was attacked while on his way…