By Olena Harmash KYIV (Reuters) -British Prime Minister Keir Starmer said on Thursday he would give Ukraine the support it needed to put it in the strongest position to fight Russia in 2025, saying before talks in Kyiv with President Volodymyr Zelenskiy: "We mustn't let up".

Britain has been at the forefront of western countries offering military support for Ukraine since Russia’s full-scale invasion began in February 2022, but the question of whether the UK would put troops on the ground to help guarantee any peace deal will be a big test for Starmer.

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

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 US president.

The Kremlin has dismissed previous Western claims that Russia sponsored acts of sabotage and attacks in Europe

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

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.

The prime minister was speaking to Sky News's political editor Beth Rigby while on a surprise visit to Ukraine on Thursday.

Sir Keir Starmer has vowed to put Ukraine in the "strongest possible position" this year during his first trip to Kyiv as Prime Minister. The Labour leader’s visit to the presidential palace in the capital coincided with a drone attack by Vladimir Putin ’s forces on the city.

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.

British Prime Minister Keir Starmer, during his first visit to Ukraine as prime minister, reaffirmed Britain's support to ensure Ukraine's strong position against Russia by 2025. He announced a 100-year partnership to deepen security and cultural ties while providing significant financial and military assistance to aid Ukraine's economic recovery and bolster its defense capabilities.