31 people have been killed after their passenger jet crashed shortly after taking off from Roschino International Airport, about 20 miles from the Siberian city of Tyumen.
Officials said 43 people – 39 passengers and four crew members – were on board the plane.
The 12 survivors are in a critical condition, the Tyumen emergencies ministry said in an updated statement after initially putting the death toll at 32.
The plane – a French-Italian made ATR-72 turboprop – was bound for the Siberian oil town of Surgut when it crashed at 07:50am local time on Monday, minutes after taking off – bursting into flames and breaking apart on impact.
The plane belonged to Russia’s domestic airline UTair.
The Russian transport Ministry has launched an investigation into what could have caused the crash.
The plane’s two black boxes have also been found, officials said.
It’s the deadliest plane crash in Russia since September 2011, when 44 people including a professional hockey team died after their Yak-42 plane crashed shortly after take-off near the city of Yaroslavl.