As many as 10 people were killed and some 21 others injured in separate road accidents in Rajbari, Rangpur and Khulna districts on Wednesday.

In Rajbari, seven people, including two children, were killed and eight others injured when a truck hurtling down a busy road crashed into a private car and a three-wheeler in Rajbari in the morning.

Read: Two killed, 11 injured in Khulna road accident

The deceased were identified as Md Nasir, 35, the auto-rickshaw driver, Noyon Sheikh, 9, Md Yusuf, 6, Mariam, 40, Marjina Begum, 40, Shila Khatun, 20, and Mashiran Bibi, 60, of the district's Pangsha upazila.

The accident occurred around 9am when the driver lost control of the speeding truck and crashed into the two vehicles in the Chandpur Railgate area of Kalukhali upazila, police said.

"While three people died on the spot in the impact of the crash, four others succumbed to their injuries on the way to hospital," said Liakat Ali, officer-in-charge of Pangsha Highway Police.

Some of the injured have been hospitalised, he said. "We have seized the truck that was heading towards Kushtia, but its driver and helper managed to escape."

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In Khulna, two persons were killed and at least 11 others injured when a speeding bus hit a bike before plunging into a roadside ditch in Khulna this morning, police said.

The deceased were identified as biker Ali Osman of Khaliskhali village in Satkhira, and Abdul Khaleq of Golna village in Khulna. Ali Osman worked as a medical representative while Abul Khaleq was a logging worker.

The accident occurred around 8.30am in the Gutudia area of Dumuria upazila.

"The Satkhira-bound bus travelling at cruise speed crashed into the bike coming from the opposite direction and plunged into a roadside ditch after its driver lost control of the vehicle," said Mohammad Shafiq, sub-inspector at Dumuria Police Station.

The crash left the biker and a bus passenger dead on the spot. "Of the injured, three are being treated at the upazila health complex while eight were shifted to Khulna Medical College and Hospital," he said.

Read: Man detained with 34 gold bars at Chattogram airport

In Rangpur, a 22-year-old woman was killed while her husband and their minor child were injured when a truck hit their bike in the Baraibari area of Gangachchara upazila of the district in this morning.

The deceased was identified as Dithi Begum, wife of Md Mahmud.

The accident occurred around 11 am when the truck crashed into the bike, leaving Dithi dead on the spot, said Dulal Hossain, officer-in-charge of Gangachchara Police Station.