Heavy rainfall of 72.8 mm in Yazali triggered flash floods and debris flows in Arunachal Pradesh's Lower Subansiri district on June 24, 2026, damaging homes, infrastructure, and the NEEPCO Panyor Lower Hydroelectric Project. The Assam government placed districts including Dhemaji, Lakhimpur, Biswanath, and Sonitpur on high alert while monitoring downstream effects. Rescue access remains limited due to landslides, with three people unaccounted for and no confirmed casualties.