“At the moment we do not know who is responsible for these explosions.
We do not rule out any scenarios, ”RIA Novosti quotes him as saying.
Billström urged not to speculate on the issue of responsibility for incidents.
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.