While studying the circumstances of the explosion, investigatorsare focusing on external interference as the main cause. We assumethat the explosive device was placed under a concrete blocksupporting the pipeline and after that there were two shortexplosions and later a big one. The investigation continues, "Avakov said.
Read also: Explosion on Gas Pipeline "Urengoy-Pomary-Uzhhorod"
"There was a fire, it was big enough, about 300 m of flames.Ignition occurred for a few hours and was eventually extinguished,"the Minister added.
Avakov emphasized that "as there are additional backup lines, thegas delivery is not affected, the situation is localized, wecontinue the study area for additional items."
Prime Minister Arseny Yatseniuk ordered to strengthen security atpipeline installations.
External interference is the main cause of the explosion on "Urengoy-Pomary-Uzhhorod" pipeline.