Lithuania said on Saturday it had disconnected its electricity system from Russia's power grid, part of a plan which the three Baltic states say will integrate them more closely with the European Union and boost security.

Ex-Soviet nations warn of sabotage and cyberattack threat as they cut power links with Moscow to hook up to EU network.

Lithuania, Estonia, and Latvia have disconnected from Russia's power grid, which is a move that leaders say will save them from "geopolitical blackmail."