Motorists have been warned to avoid certain areas of the Johannesburg CBD on Tuesday morning, due to a march by the Association of Mineworkers and Construction Union (AMCU). According to JMPD spokesperson Wayne Minnaar, the march was due to start at 11:00 at the Westgate Transport Hub and move through Marshall Street and Simmons Street in Johannesburg, ending at the offices of the Mineral Council of South Africa, formerly known as the Chamber of Mines, where a memorandum would be handed over. …