A gas leak at Nord Stream 2 seen from the Danish F-16 interceptor in Bornholm, Denmark on September 27 (Photo: Reuters)

According to Sweden, traces of explosives have been found near the damaged Nord Stream 1 and 2 gas pipelines.

They concluded that the incident was due to “gross sabotage”.

Prosecutor Mats Ljungqvist said: “During the investigation of the crime scene on the spot in the Baltic Sea, extensive seizures were made and the area was carefully documented.

“The analysis now carried out shows traces of explosives on some of the objects found.

“Advanced analysis work continues to allow more secure conclusions to be drawn about the incident.”

Swedish prosecutors said: “The preliminary investigation is very complex and comprehensive. The follow-up investigation must show whether someone can be brought to court on suspicion of a criminal offence.

“The prosecutor cannot provide any further information at this time and is not available to the media.”

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Swedish and Danish authorities are investigating four holes in the Nord Stream 1 and 2 gas pipelines, which connect Russia and Germany across the Baltic Sea and have become a focal point in Ukraine’s crisis.

Denmark said last month that a preliminary investigation found the leaks were caused by powerful explosions.

Liz Truss also previously said she believes the leaks were caused by sabotage, though she didn’t say who she thinks was responsible.

Seismologists in Denmark and Sweden previously said they picked up tremors near the leaks and the signals were nothing like those from earthquakes.

On Sept. 26, pipelines on the seafloor burst, spewing gas into the ocean that bubbled to the surface over the following week, prompting public hazard warnings and fears of environmental damage.

A stretch of at least 50 meters from Nord Stream 1 is missing, Swedish daily Expressen reported on Oct. 18 after filming the first publicly released footage of the damage.

Nord Stream 1 carried Russian gas to Germany until Moscow stopped supplying it at the end of August.

Nord Stream 2 never went online because Germany suspended its certification process just before Russia invaded Ukraine in February.

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