Crew on board an oil tanker accused of sabotaging undersea power and communications cables in the Baltic Sea were poised to cut other cables and pipelines when Finnish authorities boarded the vessel last month,

The Baltic Sea operation in the region bordering Russia comes as European fears of sabotage mount after a string of disruptions to underwater cables.

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NATO has launched a mission to safeguard critical underwater infrastructure on the Baltic Sea floor. This operation follows previous incidents involving interruptions to submarine cables, likely planned by Russia.

NATO has launched a mission to safeguard critical underwater infrastructure on the Baltic Sea floor. The operation follows previous incidents of interruptions to submarine cables, most likely planned by Russia.

NATO is stepping up its response over what it sees as an increasing threat to vital infrastructure in the Baltic Sea. Its new mission "Baltic Sentry" aims to protect undersea cables from sabotage after a spate of alleged attacks with a Russia-linked so-called shadow fleet involved.

Why has NATO launched a new operation in the Baltic Sea? Are the sanctions against Russia by the EU and US really working? Carl Bildt, former prime minister of Sweden and co-chair of the European Council on Foreign Relations,

NATO has launched a mission to safeguard critical underwater infrastructure on the floor of the Baltic Sea. The operation follows previous incidents of interruptions to submarine cables, most likely planned by Russia.