With them, four members of the same family have been killed in the accident.
The deceased were identified as Dipali Paul, 60, and her grandchildren Joy Paul, 8, Jhinuk Paul, 5, and Koushik Paul, 12.
Joy is the son of Sanjay Paul while Jhinuk and Koushik are the children of Tapas Paul. Sanjay and Tapas are siblings and work in the army.
Saifuzzaman, officer-in-charge (investigation) of Madhukhali Police Station, said Dipali and Joy were killed on the spot and four others were injured after being run over by a vegetable-laden truck at Bagat Bazar in Madhukhali upazila around 6pm.
The injured were taken to Faridpur Medical College Hospital where doctors pronounced Jhinuk dead and shifted others to Dhaka Medical College Hospital.
Koushik died while being taken to Dhaka, the OC added.