At least four children have been killed and several people injured after a fire broke out at a shopping center in Siberia, state media report, wrote BBC.

The blaze started on the fourth floor of the Winter Cherry building in the city of Kemerovo, according to Russia's Sputnik news site.

Video posted on social media showed smoke billowing from windows as fire crews worked to evacuate the property.

People were also seen jumping from windows to escape the flames on Sunday.

"According to the preliminary data, four children have died as result of gas poisoning," Sputnik reported, citing an unnamed source.

The fire started in part of the building that contains an entertainment complex and a cinema, local media reported, raising concerns that more children may have been trapped.

Dozens of people were evacuated in a rescue operation that reportedly involved 15 fire crews.

The cause of the blaze is not yet known but authorities have launched an investigation into the incident, Sputnik added.