Durban - Two people were killed and another seriously injured after they were hit by a vehicle in Vryheid, northern KwaZulu-Natal, on Thursday, paramedic services said.EMS spokesperson Robert Mckenzie said paramedics had rushed to the R34, near Vryheid, early in the day."Sadly, a woman, aged about 30, and a man, estimated to be 45 years old, have sustained fatal injuries in this crash. A man in his 40s was treated for serious injuries at the scene."Mckenzie said paramedics had transported the injured man to hospital for additional medical care."The police are investigating the exact cause of the crash," he said.