“Latest news from Poland is most concerning. We are consulting closely with Poland and other Allies,” the Estonian Foreign Ministry said on Twitter.

“Estonia is ready to defend every inch of NATO territory. We’re in full solidarity with our close ally Poland,” the ministry added.

Meanwhile, Latvia’s Foreign Minister Edgars Rinkevics described the incident as a "dangerous escalation by the Kremlin” in a tweet.

“Russian missiles hitting the territory of the NATO member is a very dangerous escalation by the Kremlin, #Latvia expresses full solidarity with our ally Poland and will support any action deemed appropriate by Poland,” said Rinkevics.

“Russia will bear full responsibility for all the consequences,” he added.

Source: Anadolu Agency