Dhaka, June 1 -- The Surma and Kushiyara rivers in Sylhet have swelled above the danger level amid a spell of heavy rains and upstream runoff. The continuous showers have also led to waterlogging in several parts of the city.

"The water at two points of the Surma and Kushiyara rivers has crossed the danger mark. However, other rivers in the region have not yet breached that threshold," said Dipak Ranjan Das, executive engineer of the Water Development Board in Sylhet, said.

On Sunday, Shah Md Sajib Hossain, assistant meteorologist at the Sylhet Meteorological Office, said that the city received 404.8mm of rainfall over the last 24 hours, the most so far this year.

As of 9am, the Surma River was flowing 106cm above the danger level at L...