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On Wednesday evening, Ukrainian MP Oleksiy Honcharenko said the Ukrainian army had established control over the Sudzha gas hub - a major gas facility involved in the transit of natural gas from Russia to the EU via Ukraine, which has continued despite the war. It is the only point of entry for Russian gas into the EU.
Although this has not been verified by the BBC, Mr Honcharenko’s comment was the first confirmation of an incursion into Russian territory by a Ukrainian official. Kyiv had previously not commented on reports of a cross-border attack.
Blowing up a pipeline produces more risks as the gas is toxic and now you have a fireball on your land.
Better to cut it off at the source and sabotage any attempt to restore it.
Blowing up? You just close it. A pipeline has hundreds of valves and compressors along the way, no need to blow it up if it goes through your territory.