A SIBERIAN oil pipeline exploded in an apocalyptic fireball today amid suspicions key Russian facilities are being targeted in sabotage attacks.
The huge blast hit the major Russian pipeline some 560 miles from the Ukrainian border in Chuvashia killing three gas workers.
The cause of the inferno was unclear, but shocking footage showed flames shooting into the sky from the giant blaze.
Eyewitnesses said workers were at the site when it went up in flames before the remains of the three workers were discovered.
Another is said to be in serious condition in hospital.
According to local residents, the blast was on a major pipeline operated by Gazprom between the villages of Kalinino and Yambakhtino.
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The Urengoy-Pomary-Uzhgorod pipeline was built in the early 1980s and transports gas from Russia via Ukraine to Europe.
It crosses the Russian-Ukrainian border near the Sudzha gas pipeline in the Kursk region.
Local regional chief Oleg Nikolaev said the heat was so intense from the blast that it was “impossible to approach the scene immediately”.
“Prompt measures will be taken to eliminate the problems and perform all the necessary work,” he said.
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Reports later said the inferno had been brought under control but the incident saw the price of gas spiral on world markets to $1,200 per thousand cubic metres.
It is the third major incident at Russian energy facilities in less than a week.
A huge explosion hit a strategic Russian oil and gas field on Monday in the series of blasts and fires being linked to the war in Ukraine.
Dramatic footage showed the scene from hell caused by the "jet fire" in the east Siberian district of Ust-Kut, Irkutsk region.
Governor Igor Kobzev failed to mention the explosion heard by witnesses and claimed: “The fire was extinguished at the complex natural gas treatment plant at the Markovskoye field.
“There is no threat to residents.”
But he admitted 155 firefighters were deployed seeking to control an inferno some estimates said had spread to 10,700 square feet.
The facility produces crude oil as well as condensate and natural gas.
It is co-owned by Russian billionaire Nikolay Buinov.
Putin has recruited tens of thousands of his fighters from Siberia, and the Irkutsk region has suffered a high mortality rate.
At least seven people suffered injuries in the blast at Angarsk which was in the same region as a blast three days earlier that was compared to an earthquake or plane crash for its force.
Recently there have also been explosions and fires at shopping malls as well as energy facilities.
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The incidents have been linked to sabotage against the Russian tyrant's unpopular war in Ukraine, which has seen nearly 100,000 Russians killed and many others maimed.