The flood situation in Assam has worsened with two more people losing their lives due to the deluge, which has affected over 4.6 lakh people across 21 districts, officials said. The death toll in this year’s floods in the state has gone up to 16. Dhemaji is the worst affected, followed by Tinsukia and Nalbari. With incessant rains, Dibrugarh city has been under water for the last four days, officials said. The Brahmaputra is flowing above the danger mark at several places. In Kaziranga National Park, over 50 per cent of the area has been inundated with floodwater. Officials said that 78 out of 183 camps at the world heritage site are now submerged.