Sunday 7 March 2021 - 4:33pm Two families in Mamelodi East, outside of Pretoria want answers after their children drowned in a quarry (screenshot) MAMELODI - Advocate Thomas Bokaba will lead an independent investigation into the drowning of 2 boys in Mamelodi last week. 7-year-old Siyabonga Mabila and 4-year old Lawrence Tshwenu drowned in an unsecured quarry at a road construction site last Saturday. Bokaba was appointed by the Gauteng Department of Roads and Transport. Transport MEC Jacob Mamabolo says even though the probe has been commissioned by the departm...