The foreign ministers of Ukraine, Poland and Lithuania, part of the Lublin Triangle format, issued a joint statement following the violation of Polish airspace by Russian drones on the night of 9-10 September.

Finnish President Alexander Stubb has arrived in Ukraine for an official visit on 11 September.

The Polish Air Navigation Services Agency (PAŻP) has announced that from 10 September to 9 December, air traffic will be restricted in eastern Poland along the border with Ukraine and Belarus for reasons of national security.

NATO Secretary General Mark Rutte has assessed the actions of NATO allies in response to the Russian drone attack on Poland as "successful" in ensuring the protection of the Alliance member state.

NATO Secretary General Mark Rutte has said that a full assessment of the incident involving Russian drones in Poland is still ongoing, and therefore he would not comment on whether it was a deliberate attack or a mistake.

Ukraine has received another €1 billion tranche of macro-financial assistance from the European Union under the G7's Extraordinary Revenue Acceleration (ERA) initiative.

Ukraine's President Volodymyr Zelenskyy has said up to 20 Russian drones may have crossed into Polish airspace, citing a new report from the commander of Ukraine's Air Force.

Polish Prime Minister Donald Tusk has stated that the country is turning to its NATO allies for consultations under Article 4 of the North Atlantic Treaty following the incursion of Russian drones on the night of 9-10 September.

Photos have emerged of a Russian Gerbera drone that crashed in a field in Poland, roughly 300 km from the Ukrainian border.

NATO is not treating an incursion of Russian drones into Polish territory on the night of 9-10 September as an attack on a member state of the Alliance.

The European Union is considering allocating €6.6 billion from the European Peace Facility to purchase US-made weapons for Ukraine.

Polish Prime Minister Donald Tusk has said that Russian drones have for the first time been shot down over NATO territory on the night of 9-10 September, but stressed that there is no reason to panic.

Hungary has signed a 10-year gas supply agreement with Shell, taking one of its first steps towards diversifying and reducing dependence on Russian energy as the EU deadline to phase out Russian imports approaches.

EU countries intend to supply Ukraine with two million artillery shells by October, Kaja Kallas, EU High Representative for Foreign Affairs and Security Policy, has said.

EU Ambassador to Ukraine Katarína Mathernová, after visiting the Cabinet of Ministers building on Monday alongside other heads of diplomatic missions, has stated that it had been damaged by a Russian Iskander ballistic missile.