Sri Lanka, Nov. 22 -- The Irrigation Department has issued a warning of potential minor flooding in the upper and middle reaches of the Gin and Nilwala river basins over the next 24 hours due to heavy rainfall.

Residents in the Neluwa, Thawalama, Nagoda, Niyagama, Welivitiya-Divithura, Elpitiya, and Akmeemana Divisional Secretariat Divisions are advised to remain vigilant. Similarly, areas in the Nilwala river basin, including Pasgoda, Kotapola, Pitabeddara, Akurussa, Athuraliya, Malimbada, Kamburupitiya, and Thihagoda Divisions, face a similar risk.

To manage rising water levels, authorities have opened four spill gates of the Rajanganaya Reservoir and two spill gates of the Angamuwa Reservoir.

The Meteorological Department has also f...