The Bangladesh Embassy there has confirmed the Bangladeshi casualties.
Labour Counsellor Sarwar Alam told bdnews24.com the fire started at the building in Al Nourah University’s residential area around 7am local time on Friday.
The victims were taken to King Saud Medical City, Shafiqul Islam, an undersecretary at the embassy, told bdnews24.com.
He said the deceased Bangladeshis were ‘Robin’, 22, from Narsinghdi, ‘Himel’, 28, from Gazipur, ‘Mazid’, 50, from Narayanganj, ‘Iqbal’, 34, from Kishoreganj, ‘Zubayer’, 45, from Sylhet, and ‘Soleman’ from Dhaka.
But a colleague of the victims said all seven Bangladeshis living in a room were killed in the fire.
Md Alamin said the fire broke out when a gas cylinder exploded in the room on the first floor of the three-storey building.
There were 45 labourers in the camp when the blaze broke out at the entrance of the building before spreading to their accommodation, the GDN Online said, citing Riyadh Civil Defence spokesperson Major Mohammed Al-Hammadi.
Most of the deceased were in a room with only one exit in the middle of the building, it added.