A Chinese worker of China Petroleum Pipeline (CPP) engineering company at Karnafuli area in Chattogram died on Friday night after falling sick at his residence.
The deceased was identified as Tiang Yu, 40, a foreman of the company.
Police said he suddenly fell sick at his rented house at Badamtali Apple Tower in the port city on Friday night.
Pachanlaish police station Officer-in-Charge Sadiqur Rahman said his colleagues took him to Chattogram Medical College Hospital where doctors declared him dead.
However, the cause of the death could not be ascertained yet, he said.