Criminal Investigation Department (CID) has started probing Tazreen Garments Factory fire at Ashulia on the outskirts of the city that killed 111 workers. CID chief, Additional Inspector General of Police Mukhlesur Rahman along with investigation officer ASP ATM Mansur and some other officials visited the place of occurrence Saturday morning. "We have already initiated investigation into the matter after visiting the place of occurrence this morning," said Deputy Inspector General of CID Saiful Alam. He said that they are mainly focusing on some matters in carrying out the probe, especially on how the fire originated. — BSS