NEW : Camps appear dismantled , but about 50 to 60 migrants remain at one . Police are trying to remove migrants from makeshift camps near Calais . The migrants do n't want to leave , and n't take steps to prevent a scabies outbreak , authorities say . It 's not the first time French authorities have sought to move on the migrants who congregate in the area around Calais , many hoping to smuggle themselves into Britain inside freight trucks going across the English Channel . Calais is a magnet for migrants seeking to reach Britain or seek asylum in France .
NEW : Camps appear dismantled , but about 50 to 60 migrants remain at one . Police are trying to remove migrants from makeshift camps near Calais . The migrants do n't want to leave , and n't take steps to prevent a scabies outbreak , authorities say . Calais is a magnet for migrants seeking to reach Britain or seek asylum in France .