The flood situation in Assam further deteriorated on Thursday with four more persons losing their lives, taking the toll to 93, even as the number of people affected rose to 28.32 lakh across 26 districts, officials said.

Officials of the Forest Department and the Assam State Disaster Management Authority (ASDMA) said that at least 123 wild animals have died in floods and 150 rescued even as 92 per cent of the 430 sq km, world-famous Kaziranga National Park, home to more than 2,200 one-horned Indian rhinoceros, remained inundated.

The animals that have died in the deluge include 12 rhinos, 93 hog deer, seven wild boars, four wild buffaloes.

According to the ASDMA officials, of the 28.32 lakh people currently distressed, over 17.85 lakh are only in the state's five western districts of Goalpara (469,499), Barpeta (421,522), Morigaon (367,471), Dhubri (278,041) and South Sakmara (249,423).

The flood waters have inundated over 2,634 villages and 119,435 hectares of crop area in 26 districts.

Besides erosion of river banks at a large number of places, roads, embankments, bridges, culverts and other infrastructure were damaged at many locations in 24 districts, the officials said, adding that hundred of houses were fully or partially damaged due to the floods.

Besides Kaziranga National Park, located on edge of the eastern Himalayan biodiversity hotspots of Golaghat and Nagaon districts, the Manas, R.G. Orang and Tinsukia national parks, the Pabitora and Tinsukia wildlife sanctuaries were also affected.