Close to half a million people in nearly a dozen districts in Bihar have been affected by the flood that has cut a swathe of destruction across the northern parts of the state, the disaster management department said on Wednesday. A total of 4.6 lakh people in 245 panchayats of 10 districts have been affected by the deluge that has displaced more than 13,000 people. So far, 4,845 people have been put up at 16 relief camps. Watch video.