Turkish rescue workers race to save coach passengers caught in a flash flood.<br/> <br />One woman was killed in Gaziantep province late Wednesday when the bus was suddenly overrun by flood waters and dragged away.<br/> <br />Four people are still missing.<br/> <br />This flood victim described two of the missing as a teenage girl and an elderly woman.<br/> <br />The torrential rains at the heart of the flooding closed the highway for seven hours where the incident took place.<br/> <br />Heavy rainfall was also responsible for killing three people in north-Western Turkey earlier this week.