With the onset of monsoon in the northeast, Assam has been hit by the first wave of floods affecting over 60,000 people in nine districts of the state. At least one person has been washed away in the fresh wave of deluge. The Assam State Disaster Management Authority on Monday said the Brahmaputra and the Jia Bharali were flowing above the danger mark at Nematighat in Jorhat and in Sonitpur districts respectively.