A large disturbance appears in the sea off the coast of the Danish island of Bornholm on Tuesday following three leaks in both the Nord Stream and Nord Stream 2 pipelines. Photo: Danish Defence Command/VCG

Staff aboard a pipelaying vessel celebrate after completing the welding of the last pipe on the second line of the Nord Stream 2 project in September 2021. Nord Stream 2 is built to double the volume of gas flowing from Russia to Germany, under the Baltic Sea. Photo: Axel Schmidt/VCG

The construction site of the Nord Stream 2 in Lubmin, Germany, in March 2019. Germany halted the Nord Stream 2 project on Feb. 2 after Russia’s recognition of the so-called Donetsk and Luhansk People’s Republics before the Russia-Ukraine war started. Photo: Tobias Schwarz/VCG

The receiving station for the Nord Stream 1 gas pipeline stands near Lubmin in Germany on March 9. Stretching from Vyborg, Russia, the Nord Stream 1 project was completed in 2012 and provides an annual capacity of up to 55 billion cubic meters. Photo: Christian Ender/VCG

Staff prepare for the inauguration ceremony for the Nord Stream 1 project in Lubmin in November 2011. Photo: Sasha Mordovets/VCG

Construction underway on the Nord Stream pipeline off the German coast on July 2010. Photo: IC Photo

A Russian construction worker speaks on the phone during a ceremony to mark the start of Nord Stream pipeline construction in Portovaya Bay in April 2010. Photo: Dmitry Lovetsky/VCG

The headquarters of Russian state-owned gas giant Gazprom in St. Petersburg on April 27. Citing a gas leak, Gazprom halted gas flows through the Nord Stream 1 pipeline to Germany on Sept. 2. Photo: VCG

Danish officials speak to the press about gas leaks on the Nord Stream gas pipelines in the Baltic Sea, in Copenhagen on Tuesday. Prime Minister Mette Frederiksen (second left) suspects the three leaks were likely caused by sabotage. Photo: Emil Helms/The Paper

Leaders from Russia and European Union countries put their hands on a large valve during a ceremony in Lubmin, to celebrate the start of operations of the Nord Stream 2 pipeline in November 2011. Photo: John Macdougall/VCG

German Chancellor Angela Merkel and Ukrainian President Volodymyr Zelenskyy attend a joint news conference in Kyiv, Ukraine, in August 2021. Kyiv opposed the Nord Stream 2 pipeline, saying the project is a “geopolitical weapon.” Photo: VCG

A painting of the pipeline route map on the façade of the Nord Stream 2 gas receiving station in Lubmin in November 2021, with the three leakage points marked. Photo: VCG