The official statement said the victims were eight women and two men. The incident occurred at 6:00 a.m. local time at the "Adulto Mayor" residential complex in the city center, Xinhua news agency reported.

Firefighters and experts from the Montevideo Casualty Investigation Department were dispatched to assist and investigate the cause of the outbreak.

Since last week, a cold wave has been going on in Uruguay, with morning temperatures below zero degrees Celsius and daytime temperatures not exceeding 10 degrees.

Trenta y Tres, the capital of the Trenta y Tres Department in eastern Uruguay, is a city of 25,000 inhabitants located 288 kilometers northeast of Montevideo.