Three Russian MiG-31 jets violated Estonian airspace near Vaindloo Island on 20 September, remaining for 12 minutes without a flight plan or radio contact, according to multiple Western media outlets. Estonia filed a protest note to the Russian embassy. This is the fourth such incident in 2025.
https://theguardian.com/world/live/2025/sep/19/eu-sanctions-russia-oil-ukraine-vladimir-putin-volodymyr-zelenskyy-donald-trump-france-macron-europe-live-news

https://x.com/wartranslated/status/1969045267791176148