“This investigation shows that the pipelines were subjected to gross sabotage,” RIA Novosti quoted a statement.

It is noted that during the investigation, “significant damage to gas pipelines as a result of explosions” was documented.

Earlier, Russian Deputy Prime Minister Alexander Novak said that Russia had begun to study the causes of the explosions at Nord Stream.

On September 26, Nord Stream 2 AG reported an emergency on the Nord Stream 2 gas pipeline.

On October 31, Russian President Vladimir Putin said that the Gazprom company had examined the sites of explosions at Nord Stream.