Mahabubnagar: In a shocking incident, 10 people were injured after 10 vehicles collided with each other on the Hyderabad-Bengaluru highway in Mahabubnagar. The incident took place in Mudhireddy Palli, Rajanagar. According to the sources, a DCM van driver who didn't observe the caution board on the bridge where repair works are going on applied sudden breaks and a private travel bus following the van rammed into it and said that another seven vehicles including cars rammed into each other. Sources said that 10 persons were injured in the accident and shifted to the nearby hospital. Police said that over speed is the reason behind the accident. The police registered a case and an investigation is underway.