Forest cover in about 100 hectares in Valmikinagar tiger reserve in Bihar's West Champaram district was reduced to ashes today.
Madanpur forest ranger Junaid Ali said water was being drawn from tanks in the area by forest employees to douse the fire.
Casualty, if any to animal life in the forest reserve is yet to be ascertained.
The cause of the fire in the reserve, which falls in the Madanpur forest range is also yet to be known, Ali said.
