The 400 residents of Medan 88 in Bandar Baru Salak Tinggi who have gone missing will be tracked down and arrested, says Senior Minister Datuk Seri Ismail Sabri Yaakob.br br He said those missing are workers whose employers had moved out of the area once it was announced that the place would be placed under enhanced MCO.br br Ismail Sabri said it would not be difficult for police to track down those missing as they knew the employers involved.