Guwahati: The flood situation in Assam, which had shown signs of improvement last week, took a turn for the worse on Wednesday following heavy rainfall in some parts of the state in the past 48 hours.

Official sources said over 75 villages in Dhemaji and Lakhimpur districts have been inundated afresh due to flash floods since Tuesday. Over 70,000 people have been affected afresh by the rising water levels in the two districts, where dykes in Brahmaputra and Jiadhol rivers have broken down at some places.