The Crime Investigation Department (CID) of police Thursday recovered more human remains from Narayanganj's Hashem Food and Beverage Factory premises. 

The investigators found the remains of at least one individual – a skull and some bones – from the fourth floor of the factory building, only two days after discovering charred skull and bones from the same spot. 

The remains would be sent to Dhaka Medical College Hospital for DNA profiling, said CID's Assistant Superintendent of Police Harun-Ur-Rashid.

Also read: Locked inside a factory without fire exit, 52 lives go up in flames

Tuesday, as the Fire Service and CID investigated the ruins at the request of the family members of Laboni, Sazzad and Mohiuddin – who have been missing since the fire – they recovered skull and bones from the same floor of the building. Those were later sent to Dhaka Medical College Hospital for DNA testing, he added. "The human remains could not be identified yet."

On July 8, at least 52 workers were killed in the fire that broke out at the six-storey building of Hashem Food in Karnagop of Narayanganj's Rupganj.

Also read: Rupganj factory fire: Claimants found for 40 bodies out of 48, after 56 families submit DNA samples

Of the victims, at least 49 workers were burned to death. The CID identified 47 of them after DNA tests.

On July 10, Nazim Uddin, officer-in-charge of Bhulta outpost in Rupganj, filed a case against eight persons, including factory chairman MA Hashem, and accusing several other unnamed people. Later the CID was tasked with the investigation of the case.