The death toll from the road crash on the Chattogram-Rangamati road in the Rubber Bagan area under Kawkhali upazila of Rangamati, climbed to six with the death of another person on Saturday.
The identity of the deceased could not be known immediately.
Earlier in the day, five people were killed and one was injured in a collision between a pickup and a CNG-run auto-rickshaw at Chairman Para Rubber Garden area around 10:30 am.
The identities of the deceased could not be confirmed immediately, said Officer-in-Charge of Kawkhali Police Station Saiful Islam Sohag.
Zahidul Alam, additional superintendent (Kaptai circle) of Rangamati Police, said three people died on the spot while three others died on way to hospital.