Boris Johnson pledged more support to Ukraine following an unannounced meeting with the Ukrainian president on Saturday.
Downing Street said Mr Johnson was meeting President Volodymyr Zelensky in Kyiv to discuss a new package of financial and military aid to support Ukraine against Russia's invasion. Mr Johnson's presence in Ukraine was highlighted by the Ukrainian embassy in the UK posting a picture of two leaders with the caption "surprise".
A Downing Street spokesperson said: "The Prime Minister has travelled to Ukraine to meet President Zelensky in person, in a show of solidarity with the Ukrainian people. They will discuss the UK’s long term support to Ukraine and the PM will set out a new package of financial and military aid.”
