1. Estonia says 3 Russian fighter jets entered its airspace in ‘brazen’ incursion  AP News
2. Estonia seeks Nato consultation after Russian jets violate airspace  BBC
3. Three Russian fighter jets enter Estonian airspace in ‘brazen’ incursion  The Times of Israel
4. Russia-Ukraine war: List of key events, day 1,304  Al Jazeera
5. Russian Offensive Campaign Assessment, September 19, 2025  Institute for the Study of War

Source: Google Finance – Market News