Heavy rainfall triggered floods, cloudbursts and landslides that have caused extensive damage across several villages in Arunachal Pradesh's Nari-Koyu area, washing away bridges, blocking roads and leaving many settlements cut off from the rest of the region, officials said.
The destruction followed intense rainfall on June 28, affecting villages under the 36-Nari-Koyu Assembly constituency. Preliminary damage assessment reports indicate that at least six major bridges, including the Reme RCC Bridge, Koyu RCC Bridge, Sijo RCC Bridge, Sido Bridge and Doge RCC Bridge, were either severely damaged or washed away.
Landslides have blocked key roads linking remote villages, hampering transportation, relief efforts and emergency response operations.
Among the worst-affected villages are Lipin, Mane, Tene, Sipu, Kakki, Koyu, Rotte, Kadu, Rina, Sido, Korang and Tabi Ripo. Authorities reported widespread damage to wet rice cultivation fields, orange orchards, arecanut plantations, fish ponds and irrigation canals.
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Several houses were damaged or partially submerged, while drinking water pipelines, electricity poles and other public infrastructure also suffered extensive destruction.
In Kadu village, large tracts of farmland were destroyed, several homes were damaged and road connectivity was completely snapped. Officials also reported that around 1,000 cattle and goats were swept away in the floods.
The Rema Bridge in Korang village, an important link between East Siang and Lower Siang districts, sustained severe damage and has been declared unsafe for use.
Schools, health centres, community buildings and government infrastructure were also affected. Local panchayat leaders said many villages remain isolated, with continuous rainfall and blocked roads preventing a full assessment of the losses.
Residents and village authorities have appealed for urgent restoration of roads and bridges, financial assistance, rehabilitation support, restoration of electricity and drinking water supply, and deployment of heavy machinery to clear landslides.
Officials said assessment and rescue operations are continuing as the state government monitors the situation and coordinates relief measures in the affected areas.