A schoolboy was killed when a portion of a wall collapsed on him on a road near Azimpur Westin School in the city on Tuesday.
The deceased was identified as Zihad, 7, a class one student of a school in Azimpur and son of betel nut seller Nazir Hossain of Nawabganj upazila.
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Inspector Mohammad Bachchu Mia, in-charge of Dhaka Medical College and Hospital (DMCH) police outpost, said a portion of a concrete wall fell on Zihad while he was going to school with his father, leaving him critically injured.
Later, he was taken to DMCH where doctors declared him dead.