Residents of the Jumpers informal settlement in Cleveland, Johannesburg, suspect illegal mining to be behind last night's mass shooting. Twelve people were killed and nine others wounded after a group of men randomly opened fire in the informal settlement. The more than ten suspects then fled the scene in a taxi. Gauteng Police Commissioner Lieutenant General Tommy Mthombeni investigators are following strong leads, despite the lack of arrests.Bongiwe Zwane spoke to Chairperson of the Gauteng Provincial Legislature's Portfolio Committee on Community Safety, Dr Bandile Masuku.