NEW : Camps appear dismantled , but one remain at about 50 to 60 migrants . Police are trying to shift migrants from makeshift camps near France . The migrants do n't want to leave , wo n't take steps to tackle a scabies outbreak , authorities say . Authorities also asked the migrants to shower and decontaminate their clothes , amid concern over an outbreak of the contagious skin condition , scabies , he said . Calais is a magnet for migrants seeking to reach Calais or claim asylum in Britain .
NEW : Camps appear dismantled , but one remain at about 50 to 60 migrants . Police are trying to shift migrants from makeshift camps near France . The migrants do n't want to leave , wo n't take steps to tackle a scabies outbreak , authorities say . Calais is a magnet for migrants seeking to reach Calais or claim asylum in Britain .