Rampant and unplanned urbanisation that has turned a once lush and riverine Dhaka into a heat chamber. A recent study has highlighted what Dhaka inhabitants have been experiencing for a while now: a staggering 6°C rise in temperature within the city due to the urban heat island (UHI) effect.

The hot and dry weather during the day and plummeting mercury during the night are highly unusual phenomena in Bangladesh, said experts, blaming urbanisation and a set of weather conditions for the heatwave.

Biting cold and intense fog are taking a heavy toll on people living in the northern region, especially those living in charlands.

Researchers say planet's surface temperature reached its hottest point in 135 years.