Investigations are underway into the exact cause of YESTERDAY’s train collision that left over 100 people injured in Selby south of Johannesburg. Metrorail says a train travelling from Faraday towards New Canada collided head on with another train bound for Naledi in Soweto. All the injured were taken to various nearby hospitals. Tsepiso Makwetla spoke to Zanele Sabela, SATAWU spokesperson…