A 4-year-old boy was killed and four others were seriously injured after a wall of an under-construction building collapsed over a nearby tin shade house in Gazipur on Friday.
The deceased has been identified as Mushfiq. The injured are Mst Mukta, 15, Rubel, 35, Md Jahidul Islam, 28, Shahidul Islam, 22.
Locals rescued and rushed them to Konabari Popular Hospital. Mushfiq succumbed to his injuries in the hospital.
Later, three of the injured were transferred to National Institute of Traumatology and Orthopaedic Rehabilitation due to critical condition.
At least 18 rooms of the house were also damaged.
Sakhawat Imtiaz, SI of Gazipur Metropolitan's Konabari police station, said legal proceeding is underway.