The DA has appointed Siviwe Gwarube as its new chief whip in the National Assembly. News24 reports that Gwarube takes over from Natasha Mazzone who will serve on the legislature’s Joint Standing Committee on Intelligence. According to a statement by DA leader John Steenhuisen, Mazzone will focus on overhauling the oversight model of the state security apparatus. Mazzone will also serve as national security advisor to Steenhuisen.