Irish Taoiseach (Prime Minister) Simon Harris has arrived in Kyiv for a bilateral meeting with Ukrainian President Volodymyr Zelenskyy.

Ukrainian Foreign Minister Dmytro Kuleba considers it possible that Ukraine will be invited to join NATO before the Alliance's summit in the Netherlands in 2025.

The US Department of State, commenting on Kremlin leader Vladimir Putin's visit to Mongolia, has urged countries not to provide him with a platform to promote his war of aggression.

The Pentagon has decided not to provide any comment regarding the possible transfer of long-range aircraft cruise missiles to Ukraine.

The United States has not changed its policy on Ukraine striking deep within Russian territory with the use of US-provided weapons.

Polish military forces scrambled their fighter jets near the eastern border on the morning of 4 September due to Russian attacks on Ukraine’s west.

Reuters, citing US officials, reports that the US is close to an agreement to provide Ukraine with long-range cruise missiles capable of reaching deep into Russian territory.

Members of the European Parliament, including Urmas Paet, Vice-Chair of the EP Committee on Foreign Affairs, are calling on EU High Representative Josep Borrell to respond to the behaviour of Mongolia, a member of the International Criminal Court (ICC), if the country does not arrest Russian leader Vladimir Putin, who arrived there on Monday for a visit.

Adam Bodnar, Polish Minister of Justice and Public Prosecutor General, has said that Poland could not execute a European arrest warrant for a Ukrainian citizen suspected of sabotaging the Nord Stream 1 and Nord Stream 2 gas pipelines because he was not on Polish territory.

On Monday evening, the eighth day of the search for an unidentified aerial object that flew into Poland and disappeared from radar in Tyszowce gmina (Lublin Voivodeship) ended. The search will continue on Tuesday.

Sahra Wagenknecht, co-founder of the Sarah Wagenknecht Alliance (BSW), has accused Robert Habeck (The Greens) of "blatant lies".

European Commission President Ursula von der Leyen has made initial decisions regarding the portfolios for the newly proposed candidates for European Commissioner positions from the EU member states.

At a meeting on 2 September, the Romanian government approved a bill on the free transfer of a Patriot anti-aircraft missile system to Ukraine. The executive body's legislative proposal will be sent to parliament for urgent adoption.

Poland and other countries bordering Ukraine are obliged to shoot down Russian missiles before they enter their airspace.

Polish and allied aircraft were scrambled early on the morning of 2 September to secure Polish airspace after Russia launched large-scale strikes on Ukraine.