In Brahmanbaria, a second grader was killed as a speeding bus hit him on Cumilla-Sylhet Highway in Suhilpur area of Sadar Upazila.
The deceased was identified as Obaidul, 9, son of Yasin Mia of the village.
The accident killed the minor on the spot around 12:45pm, said Md Hossain Sarkar, officer-in-charge of Khatihata Highway Police Station.
In another accident, Imran, 23, son of Bakul Mia of Tetuazuri village in Bijoynagar upazila was killed in a head-on collision with a Truck and auto-rickshaw Akhaura-Chandura road at Amodabad village in the same upazila.
In Satkhira, Sabikun Nahar, 26, wife of Hazrat Ali of Bahera village in Debhata upazila was killed as a motorcycle collided head-on with a bus at Kulia village in the same upazila around 7 pm, said officer-in-charge of Debhata Polcie Station Biplob Kumar.
In another accident, a trader Nur Islam was killed as a truck hit him while crossing road at Najimganj market area in Kaliganj Upazila around 5pm, said officer-in-charge of Kaliganj Police Station.
In Cumilla, three pedestrians were crushed under a covered van on Dhaka-Chittagong highway in Kutumbapur area in Chandina upazila.
The deceased were identified as Kazu Rafiqul Islam, 60, Mohoram Ali, son of late Zillur Rahman and Abdul Matin, 65, residents of Kutumbapur village.
Inspector Md Monirul Islam, in-charge of Eliatganj highway police outpost, said that the accident took place as the driver of a Dhaka-bound covered van lost control over the steering and ran over the trio on the highway, leaving them dead on the spot.
Police seized the covered van and detained driver Dudu Mia from the spot.
In Gopalganj, around 45 years old of an unidentified man succumbed to his injuries in a local hospital early Wednesday as he was injured in a road accident on Dhaka-Khulna Highway in Sadar Upazila on Tuesday night.