Dhaka, May 21 -- Water levels in major rivers in Sylhet continue to rise following several days of heavy rainfall and onrush of water from the upstream.

Although none of the rivers have yet crossed the danger level, Water Development Board (WDB) officials warned that the situation may worsen if the rain and flow of upstream water persist.

According to the Sylhet Meteorological Office, the region recorded 193.8 millimetres of rainfall between 6am Tuesday and 6am Wednesday.

Besides, 28 millimetres of rainfall was recorded between 6am and 12 pm on Wednesday.

Dipak Ranjan Das, executive engineer of WDB in Sylhet, said that water levels in Sylhet's rivers have been rising continuously for the past few days.

"The primary reason is the hill...