A white-breasted kingfisher perches next to a canal in Keraniganj's Tegharia area, on the hunt for food. Photo: Asif Mahmud Ove

A white-breasted kingfisher perches next to a canal in Keraniganj's Tegharia area, on the hunt for food. Photo: Asif Mahmud Ove

Students crowd Hakim Chattar on the campus defying pandemic restrictions on Saturday, Jan 22, 2022, a day after Dhaka University suspended in-person classes keeping the residential halls open amid a surge in coronavirus cases. Photo: Asif Mahmud Ove

Students crowd Hakim Chattar on the campus defying pandemic restrictions on Saturday, Jan 22, 2022, a day after Dhaka University suspended in-person classes keeping the residential halls open amid a surge in coronavirus cases. Photo: Asif Mahmud Ove

A health worker takes a swab sample for a coronavirus test from a suspected patient at Mugda Medical College Hospital in Dhaka.

A health worker takes a swab sample from a suspected coronavirus patient at Mugda Medical College Hospital in Dhaka as the crowds of people coming to the hospitals for tests get bigger amid a surge of infections on Saturday, Jan 22, 2022.

A suspected patient gives swab sample at Mugda Medical College Hospital in Dhaka for a coronavirus test on Saturday, Jan 22, 2022.

Dhaka North City Corporation Mayor Atiqul Islam distributes masks to the people at Dhaka's Karwan Bazar on Saturday, the first day of a 10-day campaign designed to encourage people to wear the facial coverings amid a spike in COVID-19 cases.

Dhaka North City Corporation Mayor Atiqul Islam distributes masks to the people at Dhaka's Karwan Bazar on Saturday, the first day of a 10-day campaign designed to encourage people to wear the facial coverings amid a spike in COVID-19 cases.

Dhaka North City Corporation Mayor Atiqul Islam distributes masks to the people at Dhaka's Karwan Bazar on Saturday, the first day of a 10-day campaign designed to encourage people to wear the facial coverings amid a spike in COVID-19 cases.