This was reported by the Swedish Security Service.
«In the crime scene investigations carried out onsite in the Baltic Sea, the extensive damage to the gas pipelines resulting from detonations has been thoroughly documented. Several seizures have been made, including foreign items. Explosive residue was identified on a number of the seized and analyzed foreign items.» the agency said.
The Service noted that they continue to work.
The Kremlin reacted positively to Sweden’s conclusions. Peskov noted that this confirms the information that the Russian Federation previously had and added that «It is important not to stop and find out who is behind this.»
The amazing thing about this story is that the evidence is preserved.