At least 53 people have died in a fire that tore through a shopping and entertainment complex in the Siberian coal-mining city of Kemerovo.
As many as 41 children may be among the victims, officials say, and more than 10 are listed as missing.
Emergency vehicles as they gather outside a burning shopping centre in Kemerovo. Photo: AFP
The blaze started on an upper floor of the Winter Cherry complex and many of the victims were in a cinema.
Video posted on social media showed people jumping from windows to escape the flames on Sunday.
Some 660 emergency personnel have been deployed in the rescue effort.
The cause of the blaze is not yet known but authorities have launched an investigation.
Smoke billowed from windows as fire crews worked to evacuate the property.
Kemerovo, a key coal-producing area, lies about 3,600km east of Moscow.
Where did the fire start?
As well as a multiplex cinema, the shopping centre, which opened in 2013, includes restaurants, a sauna, a bowling alley and a petting zoo.
The fire is believed to have started at around 17.00 (local time) on Sunday in a part of the building that contains the entertainment complex, local media report.
The fire is believed to started in part of the building that contains the entertainment complex, local media reported.
Yevgeny Dedyukhin, deputy head of the Kemerovo region emergency department, said the area of the fire was about 1500 square metres.
"The shopping centre is a very complex construction," he said. "There are a lot of combustible materials."
Four people have been detained for questioning, including the head of the company that manages the shopping centre, according to the Investigative Committee. The owner of the Winter Cherry complex is thought to be among those detained.
What do we know of the victims?
Russian officials had initially given a figure of 64 people missing but later clarified that this included victims whose remains had not been identified.
At least nine of the bodies found so far are children.
Andrei Mamchenkov, deputy head of Russia's National Crisis Management Centre, said 41 children were not accounted for.
Emergency services finally reached a cinema hall on the third floor after being obstructed by smoke and the danger of collapsing masonry, an unnamed source told Russian news agency Interfax.
They found no bodies inside but fear people may have been buried under rubble.
Another source told the agency there was practically no chance of finding survivors.
- BBC