Estonian prime minister Kristen Michal wrote on X that Russia's GRU military intelligence had ordered a 'sabotage attempt' at the Estonian defence company Threod Systems. (EPA Images pic)TALLINN: Estonia said Sunday it would close its border with Russia after stopping what it said was an attempted arson attack by Russia's GRU military intelligence on a drone factory.

"Estonia will close all Estonian-Russian border crossing points as of 1 Dec," foreign minister Margus Tsahkna posted on X, citing "clear evidence" that the GRU had ordered the attack.

Earlier on Sunday, prime minister Kristen Michal wrote on X that the GRU had ordered a "sabotage attempt" at the Estonian defence company Threod Systems on Saturday night.