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.

An undersea fibre optic cable between Latvia and Sweden was damaged on Sunday morning, probably as a result of “external influence”, LSM, the Latvian public broadcaster, reported, citing the cable operator.

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.