After speaking to Parliament, President Zelensky met King Charles at Buckingham Palace.
On Wednesday afternoon he joined the prime minister on a visit to Dorset where Ukrainian troops are training to use Challenger 2 tanks.
The two men signed the London Declaration - a statement affirming the UK-Ukraine partnership - before holding a joint press conference.
He has now arrived in Paris, where he is meeting French President Emmanuel Macron and German Chancellor Olaf Scholz.
On Thursday he will meet EU leaders and is expected to continue his push for further military assistance as well as Ukraine's aspirations to join the EU. saคาสิโน