Ukrainian and Norwegian nuclear regulators have started the implementation of two new joint projects.

Angel Tîlvăr, Minister of Defence of Romania, has stated that a "decisive" response of NATO is needed since the countries of the "Bucharest Nine" (B9) "are deeply concerned" with numerous flights of Russian drones and missiles into the airspace of the Alliance.

Donald Tusk, Prime Minister of Poland, announced a natural disaster emergency on 16 September due to massive floods throughout the country.

Germany has promised to transfer 12 more Panzerhaubitze 2000 self-propelled howitzers to Ukraine.

US Secretary of Defense Lloyd Austin has said that President Joe Biden would announce a new US$250 million military aid package for Ukraine today.

A representative of the German opposition has urged the government to increase support for Ukraine ahead of the Ukraine Defence Contact Group meeting at the US Air Force base in Ramstein, emphasising that the war is in a decisive phase.

Reuters, citing sources, has written that US President Joe Biden’s administration is in urgent discussions with Congress to allow it to use more than US$6 billion in military aid to Ukraine before 30 September.

The Dutch Military Intelligence and Security Service has issued a warning about Russian cyber operations by its Main Intelligence Directorate (GRU) unit 29155.

The Estonian Internal Security Service (ISS) has found out, as a result of a joint international operation, that a military unit under the command of the Main Directorate of the General Staff of the Armed Forces of the Russian Federation (GRU) has been carrying out cyberattacks against Ukraine, NATO, and EU countries, including Estonia.

The Verkhovna Rada (Ukrainian parliament) voted in favour of appointing Olha Stefanishyna as minister of justice – deputy prime minister for European and Euroatlantic integration of Ukraine on 5 September.

The Verkhovna Rada (the Ukrainian parliament) has dismissed Dmytro Kuleba as Minister of Foreign Affairs.

Ukrainian President Volodymyr Zelenskyy intends to personally request further arms supplies from Western partners during a meeting of the Ukraine Defence Contact Group, also known as the Ramstein format, to keep fighting against Russia.

White House National Security Communications Advisor John Kirby has stated during a briefing that claims suggesting Ukraine could strike most of the military aircraft from which Russia conducts attacks on Ukrainian territory with the help of ATACMS missiles are incorrect.

The US Department of State has reported a conversation between Secretary of State Antony Blinken and his Ukrainian counterpart Dmytro Kuleba, who has submitted his resignation. 

Estonian Defence Minister Hanno Pevkur believes that Ukraine's operation in Kursk Oblast could enhance its position in future negotiations with Russia.