British Prime Minister Keir Starmer arrived in Ukraine Thursday with a pledge to help guarantee the country’s security for a century, days before Donald Trump is sworn in as U.S. president.

Since Russia’s full-scale invasion, the UK gained a reputation for being one of the biggest advocates for aggressive support for Ukraine. But under Prime Minister Keir Starmer’s tenure, President Volodymyr Zelenskiy’s administration and its supporters have grown increasingly concerned about Britain’s more cautious approach.

Keir Starmer arrives in Ukraine for surprise visit to sign ‘100-year partnership’ with Zelensky - Starmer says the 100-Year Partnership would cement the friendship between the two countries for the ne

Ukraine’s air defense systems shot down a drone near the presidential palace Thursday during British Prime Minister Keir Starmer’s first visit to the wartorn country. Starmer said the drone threat was “a reminder of what Ukraine is facing every day” and that the war was brought about by “Russian aggression,

The deal aims "to deepen security ties and strengthen partnership for future generations."

British Prime Minister Keir Starmer said the landmark century-long agreement commits the two sides to cooperate on defense — especially maritime security, and on technology projects including drones.

British Prime Minister Keir Starmer pledged on Thursday to work with Ukraine and allies to offer Kyiv robust security guarantees if a ceasefire is negotiated with Russia, offering more support to President Volodymyr Zelenskiy with a 100-year partnership deal.

Keir Starmer will meet President Volodymyr Zelensky for talks on strengthening the bond between the UK and Ukraine in the face of Russia’s brutal onslaught

Arriving on Thursday morning, he accompanied Ukrainian President Volodymyr Zelensky to lay flowers at a wall of remembrance for those killed in the war with Russia - telling reporters the UK will "never let up" on giving the necessary support to Ukraine.

Sir Keir’s first visit to Kyiv since entering No 10 coincided with a drone attack by Russian president Vladimir Putin’s forces on the Ukrainian capital. The prime minister heard sirens warning Kyiv’s citizens of the air raid as he met Mr Zelensky – a moment he said highlighted the “incredible resolve” of the Ukrainian people.

Keir Starmer will travel to Ukraine in the coming weeks to discuss the possibility of deploying an international peacekeeping force there after the conflict with Russia has ended, his first visit to the war-torn nation since becoming UK prime minister half a year ago.

Britain will play its “full part” in peacekeeping efforts in Ukraine, Sir Keir Starmer said on a visit to the country on Thursday, suggesting British troops could be used in peacekeeping forces in the event of a deal.