At least four people were killed and more than 15 others injured when a commuter bus crashed into a truck parked along the Dhaka-Tangail highway in Mirzapur upazila early Saturday, police said.

The identities of the deceased could not be known immediately.

Molla Tutul, officer-in-charge of Gorai Highway Police Station, said the accident occurred around 4.30am when the ‘Binimoy Paribahan’ bus hit the stationary sand-laden truck from behind in the Dulla Mansur area.

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"The impact left three passengers dead on the spot and 16 others injured. The injured were rushed to a local hospital where one of them was declared dead on arrival," he added.