Four female tea workers died after a hillock had collapsed at Sreemangal upazila in Moulvibazar district while collecting soil from it.
The incident took place at Lakhaichara Tea Garden under Kalighat union around 11:30 am, Friday.
The deceased were Heeramoni Bhoomij, 30, Purnima Bhoomij, 28, Radha Mahali, 40, and Shokuntala Bhoomij, 40.
Kalighat UP chairman Pranesh Goala said the women went at the foothill of the hillock in the morning to collect soil for covering their houses.
The hillock suddenly collapsed at one stage of their cutting soil, leaving them buried under the ground, he added.
On information, police recovered the bodies and sent those to a nearby hospital morgue for an autopsy, said Sreemangal Police Station officer in-charge Shameem Ur Rashid Talukder.