Good afternoonpublished at 14:36 Greenwich Mean Time 1 February 2022
Hello and welcome to our live coverage of the prime minister’s trip to Ukraine where he’s due to hold talks with the country's president, amid growing concerns over a possible Russian invasion.
Boris Johnson says he will work with Volodymyr Zelensky to try and come up with a diplomatic solution and "avoid further bloodshed".
We know that Russia has massed an estimated 100,000 troops, tanks, artillery and missiles near its borders with Ukraine. Despite that, Moscow says it is not planning an attack.
But President Vladimir Putin’s government has warned Ukraine not to make any further moves towards joining Nato, arguing that this threatens Russia's own security.
Stay with us for all the latest developments.