Two children went missing while bathing in the Padma River at Bagha upazila in Rajshahi upazila on Sunday morning.
The incident took place at around 11.30am in Maniker Char area under Chakrajapur union of the upazila.
The details about the missing duo, aged around 8 and 10, could not be known immediately.
According to locals, the duo went down to the river to take bath in the morning but drowned and went missing as they didn`t know how to swim.
Rajshahi Sadar Fire Service and Civil Defence Station senior officer Abu Sama confirmed the matter, adding that on information, a diving team from the station rushed there and started rescue operation.