Skip to content

UK and Norway say they deterred Russian submarines surveying undersea cables

newsApr 9, 2026362,183

The United Kingdom and Norway led a military operation to deter Russian submarines in the North Atlantic. A British warship and aircraft shadowed three Russian submarines for about a month as they surveyed undersea cables and pipelines. Defence Secretary John Healey warned any attempt to damage UK cables or pipelines will have serious consequences. The operation underscores Western efforts to protect critical undersea infrastructure and raises pressure on Moscow over maritime activity.

Key Highlights

UK and Norway led an operation to deter Russian submarines in the North Atlantic
A British warship and aircraft shadowed three Russian submarines for about a month
Defence Secretary John Healey warned damage to cables or pipelines will have serious consequences
3 sources