An American submarine had sunk an Iranian warship in international waters, US Secretary of Defense Pete Hegseth said on Wednesday.

Katarína Mathernová, EU Ambassador to Ukraine, has requested permission through the Office of the President of Ukraine to inspect the damage to the Druzhba oil pipeline or to send other EU diplomats in her place, but her request was denied.

US President Donald Trump on Monday 2 March sent a formal notification to Congress regarding US strikes on Iran, in which he sought to justify the military action.

Italian Prime Minister Giorgia Meloni has said she is concerned about the unfolding crisis around Iran, describing it as part of a wider crisis in international law born of Russia's war in Ukraine. She called on Tehran to stop its "totally unjustified" attacks in the Persian Gulf, stressing that the situation must not be allowed to spread further.

President Volodymyr Zelenskyy has signed a decree appointing Ihor Brusylo, Deputy Head of the President's Office, as Ukraine's ambassador to Italy. The post had been vacant since late July 2025.

US President Donald Trump, commenting on the American operation against Iran, has said the country's military is "knocking the crap" out of Iran, but that the "big wave" is still to come.

French President Emmanuel Macron has announced an expansion of the country's nuclear arsenal.

European Commissioner for Enlargement Marta Kos said that Ukraine and Moldova will not be separated in the EU accession process, but this could change if Ukraine slows down the implementation of the necessary reforms.

EU Commissioner for Enlargement Marta Kos has commented on whether Ukraine can join the European Union while the war remains in its active phase.

Unknown individuals threw black paint on a monument to Ukrainian poet Taras Shevchenko in the Serbian city of Novi Sad on 24 February and removed the letters spelling his surname.

Rustem Umierov, Secretary of the National Security and Defence Council of Ukraine and head of the Ukrainian negotiating team, has said a meeting in Geneva between Ukrainian and US delegations has begun.

The European Union Agency for Fundamental Rights (FRA) has reported in a new study that Ukrainian women who have received protection in EU countries are frequently subjected to physical, sexual and psychological violence.

The United Kingdom has announced a historic package of sanctions designed to deprive the Kremlin of key oil revenues and further weaken its ability to wage its illegal war.

Poland's Foreign Minister Radoslaw Sikorski arrived in Kyiv on the morning of 24 February.