Terrified passengers opened an emergency door and ran onto a plane's wing after its engine burst into flames.
Video captured by one of the passengers shows the orange-red flames blasting from the Utair Boeing 737 engine on the runway before takeoff at Vnukovo airport in Russia's capital city of Moscow.
At the same time, the public address system is playing the safety announcement in English, telling passengers to read the on-board safety card.
The Utair airline said there were three passengers who opened an emergency hatch, according to Russia Today.
They reportedly walked out on to the right wing but returned to the cabin at the request of the crew.
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It's said the passengers received no instructions from the crew member regarding the fire and were told the situation was 'normal'.
The airline said the flame was caused by the disrupted air flow during the engine start as the plane was preparing for takeoff.
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"The situation is regular, the plane is fully operational, nothing threatened the passengers," added the officials.
For safety reasons, Utair arranged another flight for the passengers but reportedly detained them for questioning first.
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One of the medics said: "We saw in the news that all passengers were moved to another plane and continued the flight - well, not all.
"Myself and two of my colleagues were taken off the flight and are still detained because of some kind of a service check."
The doctor explained that they sat next to an emergency exit and decided to opened the emergency exit when they started seeing people screaming and running.
