On 30 July 2026, at about 10:42 p.m. a breach occurred in the embankment at Mile Post No. 25/3 of the Ngawun River Embankment in Laymyethna Township, Hinthada District, Ayeyarwady Region, due to seepage through the underlying sand layer of the former river channel beneath the Ngawun Embankment, resulting in water flowing through the embankment and causing its subsidence. At about 9:00 a.m. on 30 September 2026, at the Agriculture Office in Laymyethna Town, which had been inundated as a result of the incident, firefighters from the Ayeyarwady Region Fire Services Department Office and Laymyethna Township Fire Station, in coordination with the relevant organizations, carried out cleanup operations to remove the sediment deposits left behind after the floodwaters receded and undertook measures to improve water drainage around the market area.