Nations on the Baltic Sea, along with NATO, have stepped up security after a third incident of suspected sabotage to underwater infrastructure in a month.

NATO said on Friday it would boost its presence in the Baltic Sea after the suspected sabotage this week of an undersea power cable and four internet cables, while alliance member Estonia launched a naval operation to guard a parallel electricity link.

NATO is deploying approximately 10 ships to protect underwater infrastructure in the Baltic Sea. The first of these ships is expected to arrive by the end of the week, and the operation will continue until April.

Finnish President Alexander Stubb will host a summit in Helsinki of the NATO countries that border the Baltic Sea together with Estonian Prime Minister Kristen Michal next Tuesday. The summit, which will take place at the Presidential Palace,

In addition, a U.K.-led 10-member consortium of northern European nations called the Joint Expeditionary Force (JEF) has reactivated an AI-based system to track suspicious ships in these waters. The actions are a response to the suspected deliberate severing on Christmas Day of the Estlink 2 undersea power cable and four undersea communications cables between Finland and Estonia,

Finland will host a summit for NATO member states with access to the Baltic Sea on Jan. 14 to address regional security threats, including the suspected Russian sabotage, the Finnish president's office announced on Jan.

A fleet of up to 10 NATO vessels will guard the infrastructure under the Baltic Sea until April, the Finnish broadcaster YLE reported on Jan. 7 after several cables were cut in suspected sabotage.