STORY: He presented the helmet to Lindsay Hoyle in front of hundreds of lawmakers in Westminster Hall.

Zelenskiy said he would do everything he could to persuade the world to provide Ukraine with the modern planes Kyiv needs to help his forces defeat Russia

On just his second trip abroad since Russian forces swept into Ukraine on Feb. 24 last year, Zelenskiy met Prime Minister Rishi Sunak and thanked Britain for "marching with us towards the most important victory of our lifetime."