Latvia’s State Police have sent another batch of cars and minibuses to Ukraine to support the country’s security and defence sector.

Lithuania’s Ministry of Foreign Affairs has summoned Russia's chargé d'affaires following the violation of Estonian airspace by Russian fighter jets.

A local resident has found a suspicious object resembling missile debris in the Polish village of Chojny, located less than 30 kilometres from Lublin.

Polish Defence Minister Władysław Kosiniak-Kamysz said during his visit to Ukraine on 18 September that his country will cooperate with Ukraine, including in gaining skills in operating unmanned aerial vehicles.

The teams of Ukrainian President Volodymyr Zelensky and US President Donald Trump are working to ensure that a meeting between the leaders takes place next week in New York.

European Parliament President Roberta Metsola has arrived in Kyiv.

US Secretary of State Marco Rubio told reporters on 15 September that US President Donald Trump might meet with his Ukrainian counterpart Volodymyr Zelenskyy next week.

Europe is still far from developing the military strength necessary to keep the Kremlin at bay, Estonian Prime Minister Kristen Michal believes.

Swedish Defence Minister Pål Jonson stated on 11 September that his country is allocating another 70 billion kronor (about US$7.47 billion) in military support for Ukraine over the next two years.

Keith Kellogg, US President Donald Trump’s Special Envoy for Ukraine and Russia, has arrived in Kyiv on a visit.

German Defence Minister Boris Pistorius, following the violation of Polish airspace by Russian drones, has stated that he sees a constant threat from Russia and suggested that the drones may have deliberately entered Polish territory.

Polish government spokesperson Adam Szłapka has confirmed that NATO has invoked Article 4 of the North Atlantic Treaty in response to a Russian drone attack on the country.

German Defence Minister Boris Pistorius has said that Berlin is transferring two Patriot air defence systems to Ukraine. The first launchers have been delivered.

In Brussels, work has begun on a new package of sanctions against Russia, and the European team is heading to Washington to coordinate it with American partners, European Council President António Costa said.

Ukrainian President Volodymyr Zelenskyy met with European Council President António Costa in Uzhhorod on 5 September. Zelenskyy is also scheduled to hold talks with Slovak Prime Minister Robert Fico on 5 September.