On February 28, a Russian icebreaker named Murmansk violated Estonia's maritime border near Vaindloo Island. The vessel entered Estonia's territorial waters without authorization while attempting to free the tanker Olympic Friendship, which had become stuck in the ice in the Gulf of Finland. Estonia's Ministry of Foreign Affairs summoned the temporary Russian envoy in response to this incursion, highlighting the violation of territorial integrity.

The icebreaker remained within Estonian waters for only four minutes and did not communicate with Estonia's naval forces when prompted. This breach has significant implications as it brings to light ongoing tensions concerning maritime boundaries in the region. Estonian Foreign Minister Margus Tsahkna emphasized the importance of adhering to clear maritime regulations, especially during ice-breaking season, to prevent future violations.

The incident underscores not only the challenges posed by ice navigation in the Baltic Sea but also the diplomatic friction between Estonia and Russia. There is a general expectation that foreign vessels can peacefully navigate through territorial waters; however, proper communication and adherence to protocols are essential to maintain regional stability. This event might intensify discussions on security cooperation in the Baltic region.