Durban – A man shot and critically injured his wife before killing himself, in upper Tongaat, north of Durban, on Thursday."The husband and wife had a dispute. The husband shot his wife in the head, before turning the gun on himself," IPSS spokesperson Paul Herbst said. "People heard screaming and then gunshots. She was intubated and is in a critical condition."The shooting happened in Noodsberg, on the R614, around 11:00.An IPSS Medical Rescue paramedic declared the husband dead. His wife was taken to hospital.Police spokesperson Captain Nqobile Gwala said Umhlali SAPS were investigating.