India, Feb. 19 -- Forest fires burn for nearly a week across Arunachal Pradesh and Nagaland

Indian Air Force helicopters deploy thousands of litres of water in high-altitude operations

Blazes reported in Lohit valley, Walong and Dzukou Valley regions

Army and local authorities join efforts in difficult Himalayan terrain

Dry weather and shifting cultivation cited among possible causes

Forest fires have been burning across parts of Arunachal Pradesh and Nagaland for almost a week, prompting sustained aerial firefighting operations by the Indian Air Force (IAF) in high-altitude Himalayan terrain.

The fires have affected remote and mountainous areas, with emergency teams battling challenging weather and difficult access routes.

Aerial ...