Colombo (News 1st): The National Building Research Organizations (NBRO) has issued a Red alert Landslide warnings to Kalutara and Galle Districts. Accordingly, the NBRO has issued the warnings to residents of the Bulathsinhala, Walallawita, Matugama, Agalawatta DS divisions in the Kalutara District and Elpitiya, Niyagma, Nagoda, Imaduwa, Badegama DS Divisions in the Galle District.