At least seven people, including women and children, have been killed in three separate road accidents in Chattogram and Rangamati on Friday. About 22 more people were injured in these accidents. The accidents occurred in EPZ Steel Mills Bazar and Shikalbaha area of Karnafuli police station on Friday. According to police, three people, including a woman and a child, were killed when a bus overturned at Steel Mills Bazar area under EPZ police station around 12 pm. Two of the deceased were Nur Begum, 43, and her niece, 11, who were killed on spot. Another died on the way to the hospital after being rescued by the police. Also read: 4 killed in Cumilla road crash Witnesses said a speeding bus hit a rickshaw at Sailo Road and crushed the pedestrians, losing its control while escaping at Friday noon.   EPZ police officer-in-charge Utpal Barua said the mob detained the driver and helper of the bus and handed them over to the police. The bus was also seized. Meanwhile, three people were killed and at least 20 others injured in a head-on collision between two buses at Shikalbaha Chaumuhoni area of Karnafuli upazila. However, the identities of the injured were not immediately known. Police TI Anwar Azim said two buses collided while overtaking a CNG, injuring several passengers of the two buses. Two of them died. Also read: 3 die in Cumilla road crash All the injured have been sent to Chittagong Medical College Hospital. SI Zahirul Islam, in-charge of CMCH police outpost, said at least 22 to 25 people were rushed to the hospital. They are undergoing treatment in different wards. In Rangamati, a ninth-grader schoolgirl was killed in a head-on collision between a motorbike and a Jeep at Bangalhaliya's Shafipur area of Rajasthali-Chandraghona highway on Friday morning. The deceased was identified as Opruiching Marma, 18, daughter of Mongbaching Marma of Farua union in Bilachhari upazila. She is a ninth-grader student of Chitmaram High School. Also read: 4 killed in Bhola road accident Two people including a motorcyclist were injured in the accident. Md Iqbal Bahar Chowdhury, Officer-in-charge (OC) of Chandraghona Police Station, said legal action is being taken in this case. Police are searching for the jeep.