The federal security authorities of Germany are taking part in the investigation into the causes of the incident.
“We cannot imagine a scenario that is not a targeted sabotage,” Tagesspiegel quoted a source familiar with the situation as saying.
The interlocutor of the publication said that the incident could have been committed using special forces - for example, divers or a submarine.
Earlier, the operator reported a pressure drop in both Nord Stream lines.
Before that, it became known that the emergency situation at Nord Stream 2 occurred in Danish waters.