Three people were killed and four others injured in separate road accidents in Chattogram yesterday. In the first accident, Abul Hossain, 58, a teacher of Mirsarai Mazeda Haque High School received head injury after being knocked by a speedy bus in Komoldah Bazar area under Mirsarai upazila of the district around 2 pm. Locals took him to Mirsarai Health Complex where attending doctors declared him dead. In the second incident, two people were killed and four others injured when a covered van crashed into two auto rickshaws around 9:30 am in PAB Chairman Ghat area under Anwara upazila of the district, said Dulal Mahmud, officer- in-charge of Anwara thana. The deceased were identified as Subhash Kumar Nath, 55, zonal manager of Euro Pharmaceuticals, and Mohammad Israfil Hossain, 38, an employee of Karnaphuli Gas Distribution Company.