State head Boris Johnson has held talks in Kyiv with Ukraine's President Vlodomyr Zelensky, Downing Street has said.
No 10 said the visit was "show of fortitude" with Ukraine.
They said Mr Johnson was utilizing the excursion to set out another bundle of monetary and military guide.
It comes the day after Mr Johnson declared £100m of weapons for Ukraine after the bombarding of outcasts at a railroad station.
The Ukrainian consulate in London tweeted an image of the two chiefs meeting up close and personal.
In a Facebook post, Andriy Sybiha, appointee top of the Ukrainian president's office said: "The UK is the forerunner in guard support for Ukraine. The innovator in the counter conflict alliance. The innovator in sanctions against the Russian assailant."