Search and rescue teams found bodies of two women in flood waters, Anadolu agency reported.
Flood after torrential rains killed two more women in the southeastern Gaziantep province.
A passenger bus and an automobile were dragged into flood waters at Gaziantep-Sanliurfa D400 highway.
Search and rescue teams found bodies of two women in flood waters.
Earlier in the day, they had found another body.
Meanwhile, 26 passengers were rescued from the bus and taken to nearby hospitals.
Bodies were taken to Gaziantep Forensic Medicine Institution.