An undersea fiber optic cable between Latvia and Sweden was damaged on Sunday, likely as a result of external influence, Latvia said, triggering an investigation by local and NATO maritime forces in the Baltic Sea.

RIGA, Latvia (AP) — Latvian Prime Minister Evika Siliņa said Sunday that her government has reached out to Sweden and other Baltic Sea allies in NATO for assistance as it investigates the cause of damage to an underwater data cable running to Sweden.

The Vezhen ship, owned by Navigation Maritime Bulgare, might have accidentally damaged the cable between Sweden and Latvia. The incident, reported by Reuters, was not intentional according to the company's head,