A construction worker died from carbon monoxide poisoning at an apartment in Putuo district over the weekend, local media reported Sunday.
The unidentified middle-aged man was found dead Sunday morning in a residential compound on Langao Road West, the Xinmin Evening News reported. Rescuers had to break into the apartment. A neighbor had knocked on the door after smelling gas, but no one answered from inside.
The deceased was working for the family who owned the apartment.
Police were investigating the case Sunday.