Three people died from carbon monoxide poisoning in the capital of Karakalpakstan, Nukus, the spokesman to the Prosecutor General's Office, Khayot Shamsutdinov said.
The tragedy occurred on the night of October 18 in a flat in 23rd microdistrict of the city. The victims were a 25-year-old man, his 23-year-old wife, and their 27-year-old guest.
The investigation showed that the carbon monoxide leak was coming from the exhaust hood of the heating boiler.