Dhaka, Nov. 21 -- At least 400 people have been injured in Gazipur after rushing out of buildings during an earthquake, most of them reported to be workers.

The tremor occurred at 10:38am on Friday, with its epicentre in Narshingdi's Madhabdi, said Bangladesh Meteorological Department's Seismology Centre.

Gazipur residents rushed out of homes, offices, and factories as buildings shook for several seconds.

Civil Surgeon Md Mamunur Rahman said a total of 400 people were injured in the district.

Among them, 86 were admitted to hospitals, 97 received minor treatment, and 90 were treated in Tongi.

At least 43 seriously injured patients were transferred to Dhaka.

Patients are still being treated in hospitals across Sreepur, Kaliakair, Kap...