There is little chance of heavy rain or an easing of the heat this month, says meteorologist Tariful Newaz Kabir
The accident occurred on the Comilla-Sylhet highway around 10am on Tuesday, traffic police inspector Md Bayezid said.
Two auto-rickshaws first collided head-on and then they were hit by the truck, inspector Bayezid said.
All passengers of the auto-rickshaws were injured.
They were admitted to the Brahmanbaria Sadar Hospital.
Condition of most of the injured is critical, the hospital’s doctor Imran Khan said.
The injured are identified as Panir Hossain, Farid Miah, Abeda Begum, Saheda Begum, Saiful Islam, Harun Miah and Ashok Miah.