Sweden on Sunday said it had seized a ship suspected of having damaged a fibre-optic cable under the Baltic Sea linking the country to Latvia, which sent a warship to investigate the latest apparent act of sabotage.

Following damage to an undersea cable in the Baltic Sea, Latvia has made initial progress in the search for the cause. During investigations at the

Earlier this month, NATO began a new mission dubbed "Baltic Sentry" which included frigates, maritime patrol aircraft and a fleet of naval drones to provide "enhanced surveillance and deterrence" in the Baltic Sea which the transatlantic alliance says is to protect undersea cables and pipelines.

The Stockholm prosecutor's office announced on Sunday evening the initiation of an investigation into a possible sabotage in the Baltic Sea and the seizure of a ship suspected of damaging an underwater cable between Sweden and Latvia.

Sweden is investigating damage to a data cable linked to Latvia, the latest breach in the Baltic Sea region where European authorities are on high alert.

By Johan Ahlander and Anna Ringstrom STOCKHOLM (Reuters) -Swedish authorities boarded a Maltese-flagged ship seized in connection with the latest breach of cables running along the bottom of the Baltic Sea to begin an investigation into the matter,

Nations around the Baltic Sea have scrambled to bolster defenses after the suspected sabotage of undersea cables in recent months, with some observers blaming Russia. The Bulgarian vessel on Sunday "was chased by the Swedish coast guard with instructions for the ship to go into their territorial waters and it is now on anchor where an investigation

After a series of suspected undersea cable cuttings, NATO has launched a new surveillance and deterrence mission to protect critical infrastructure under the Baltic Sea.