UK Foreign Secretary David Lammy has arrived in Kyiv on the morning of 5 February.

Rheinmetall CEO Armin Papperger said that the group's plants are well protected from possible Russian sabotage but noted that there are no air defence systems around the plants.

US President Donald Trump has said that the United States is engaged in "very constructive talks on Ukraine" and stressed that he will "do everything" to stop the Russian-Ukrainian war.

The Verkhovna Rada (Ukrainian Parliament) passed a law in its entirety on 4 February, ratifying an agreement between the governments of Ukraine and the United Kingdom on official credit support for the development of the state's defence capabilities.

Carlo Formosa, Italy’s Ambassador to Ukraine, has signed an agreement with UNEP (United Nations Environment Programme) on behalf of Italy to launch a €2 million project aimed at strengthening the energy resilience of Ukrainian cities.

Igor Dodon, leader of Moldova’s pro-Russian Socialist Party, has fantasised about "Moldovan lands in Ukraine" that are supposedly being divided among some European Union politicians.

Oksana Markarova, Ukraine's Ambassador to the United States, has said that the US has not yet discussed the need to hold elections by the end of 2025 with Ukraine. 

Cezary Tomczyk, Deputy Minister of National Defence of Poland, arrived in Kyiv on an unannounced visit on Monday, 3 February.

The Ukrainian military has received a hundred FPV drones from Latvia as part of the public charity initiative Drones for the Armed Forces.

The Ministry of Defence of the Netherlands will participate in the training of 26 Ukrainians who will serve as F-16 crew chiefs. 

A fire broke out on Friday, 31 January, at the Ukrainian restaurant Slava Ukraini in the Telliskivi district of Tallinn, Estonia. Authorities suspect arson.

Part of Sweden's largest military aid package, valued at approximately US$1.23 billion, will be directed to the Danish model of support for Kyiv, which raises funds for Ukraine's defence industry.

Swedish Defence Minister Pål Jonson announced a new aid package for Ukraine worth SEK 13.5 billion (roughly US$1.25 billion) on Thursday, 30 January.

Lithuania has transferred short-range portable air defence systems and missiles to Ukraine.