swept up string. allie rasmus is there with more on what rescue teams are trying to do. >> now that the sun is coming up, the coast guard helicopter is supposed to be on the way it to seem to do an aerial search. that's the body of water you see behind us. that bridge is where these two men were fishing overnight and one of them fell into the water. search and rescue crews have been here since three about this morning. three clock a.m. was when i got a report that a man had fallen into the napa river. two men, brother in-laws, sitting on a railroad bridge above the river. he was in a strong suit swimmer. the men fell off the bridge was carried into -- carried westward on the napa river. the other man whose brother-in- law lost sight of him and then called for help. overnight search crews did find what they believed were the