01:19 - Source: CNN
Deadly hospital fire in Russia

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The fire also left 23 people injured

It started late Saturday night and engulfed hundreds of square kilometers

(CNN) —  

A fire killed 23 people and injured another 23 at a Russian psychiatric hospital, authorities said Sunday.

The blaze started late Saturday night at the hospital in the southwestern region of Voronezh.

Hospital workers told state-run media there were 140 people in the building, including 50 who were bedridden.

An investigation is underway.

Russia’s Ministry of Emergency Situations said the fire has been extinguished. Search-and-rescue teams were surveying the site and inspecting the building.