Shimla, May 5 -- Six persons lost their lives in twin accidents in Sirmaur and Hamirpur on Monday after their vehicles fell down the gorges, reportedly after the driver lost control, police officials said. While four persons lost their lives in Sirmaur, 2 were killed in Hamirpur, they added. In the first accident, four persons, including a female teacher and her teenage daughter, died and one person was injured after the vehicle they were travelling in went out of control and plunged into a 400-feet deep gorge in Sirmaur, officials said. The deceased, identified as Amra Devi, 52-a teacher at the Bhalauna Government School-her daughter Aradhya, 14, Priyanka, 14, and Sajjan Singh, 62, were from Saragrah. Injured Ajit Kumar, 33, is under treatment in the Sangrah hospital. The car, carrying five occupants, was on its way from Theer Dhar to Gattadhar. The incident occurred near Piyulilani village on the Sangrah-Gattadhar road, when the driver suddenly lost control of the vehicle. Locals immediately rushed to rescue and retrieved the bodies, along with the injured. The local police have registered a case and started an investigation. Confirming, Sangrah sub-divisional magistrate (SDM) Sunil Kayath said a probe is underway, and the exact cause of the mishap will only be ascertained after it. Chief minister Sukhvinder Singh Sukhu has expressed grief over the loss of lives and sought a report on the incident from the district administration. In the second accident, a couple was killed while two others sustained injuries when their car lost control and plunged 150 feet into a deep gorge in Hamirpur district, police said. The mishap occurred on the link road between Kheri and Dhabriyana in the Barsar subdivision of Hamirpur district. The four occupants were going to attend a ceremony hosted at a relative's home. Ramesh Chand, 74, died on the spot, while his wife, Santosh Kumari, 69, succumbed to her injuries during treatment. Prithvi Chand, 64, who was driving the car and his wife Saroj Kumari, 59, were injured and are undergoing treatment. According to eyewitnesses, accident occurred near a water tank when the driver suddenly lost control of the Santro car, causing it to plummet directly into the gorge. Upon impact, the vehicle was completely wrecked. The villagers immediately rushed to the site and initiated relief and rescue operations. Upon receiving the information, teams from the police and the district administration also arrived at the scene. With the assistance of locals, the injured individuals were extricated from the gorge and transported to a nearby hospital. Critically injured Saroj Kumari was referred to the District Hospital, Hamirpur. Barsar deputy superintendent of police Lalman Sharma said that the police have registereda case and are currently investigating the cause of the accident....