NEW : The rebels prepare Rwandan Hutus for attack , report says . Internally , Congolese watch as rebels attack government troops . Torrential rain makes refugee movement difficult . so we 're going to have to move quickly to get that help to them because a lot of them are already in a weakened state . '' U.N. refugee crisis : Some 375,000 have been forced from camps in past years .
NEW : The rebels prepare Rwandan Hutus for attack , report says . Internally , Congolese watch as rebels attack government troops . Torrential rain makes refugee movement difficult . U.N. refugee crisis : Some 375,000 have been forced from camps in past years .