South Africa must do more to halt horror in Gaza, writes Garret Barnwell, Doctors Without Borders (MSF) Southern Africa President... In the opinion piece, Barnwell talks about the situation in Gaza where civilians are being killed, maimed or injured as fighting in the Gaza-Israel conflict intensifies...  As president of Doctors Without Borders (MSF) Southern Africa, I get alarming daily dispatches from colleagues working in Gaza - a city under siege, where no one is safe. 

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