Hyderabad: In a tragic incident, two were killed and two injured after three cars collided with each other. The incident took place in Banjara Hills Road 3 in the early hours of Sunday. According to the sources, a car driver lost control of the vehicle and rammed into two cars halted on the road. It is said that two persons who were on the road sustained severe injuries and died. The persons in the car were injured and immediately shifted to the nearby hospital. Police suspecting that sleepiness is the reason behind the accident. The police registered a case and an investigation is underway.