At least six people were killed and several injured after tremors were felt across West Bengal including Kolkata and parts of northeast as an earthquake of magnitude 5.7 hit Bangladesh's Narsingdi on Friday, the IMD said.

Three people were killed in Dhaka, while the fourth died in the suburban river port town of Narayanganj, officials said, as local media reported injuries to at least 50 people across the country.

The other two deaths were reported from Narsingdi, where the epicentre was located some 10 kilometres beneath the surface.

The quake struck 13 km south-southwest of Narsingdi in Bangladesh at 10.08 am, and at a depth of 10 km, it said.

Several people were seen coming out on the streets in Kolkata and Assam's Guwahati as a precautionary measure, PTI reported.

Scared residents

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