On Tuesday, the Nord Stream 1 and 2 gas pipelines suffered explosions, causing major gas leaks into the Baltic Sea.
The EU denounces sabotage, but no one knows who is really behind it.
“Obviously we immediately thought of Russia, but it's not that simple.
What is the interest for Russia in destroying this double gas pipeline which took years to build, which has a certain cost?
It is a means of cutting off relations between Russia and the rest of the world”, analyzes Christian Buchet, director of the center for the study of the sea at the ICP.
"It's not common, but it's not complicated to do, decrypts Dominique Trinquant, general, former head of the French military mission to the UN.
“You have to have combat swimmers, capable of descending into these depths.
Here it was around 40 to 60 meters”.