Danish Defence Command/Handout via Reuters
- A mysterious cylindrical object was found on the seabed by the Nord Stream 2 pipeline.
- Denmark has invited Gazprom, the Russian energy giant, to inspect it.
- It might provide clues as to who was behind the bombings that struck the pipelines.
Denmark has invited the Russian-controlled operator of the Nord Stream 2 pipeline to help recover a mysterious object found next to it, six months after sabotage attacks struck parts of the pipelines.