President Volodymyr Zelensky said he discussed the "further expansion of capabilities" of Ukraine's military in a call with British Prime Minister Rishi Sunak on Saturday.

“The leaders discussed the latest situation on the ground in Ukraine and the Prime Minister said he was focussed on ensuring the UK’s defensive military equipment reached the front line as quickly as possible," said a spokeswoman for Downing Street. 

The call comes as Western nations cave into Ukrainian pressure to send heavy weapons and equipment they had previously said no to, with a major pledge of tanks. Last week Ukrainian crews arrived to train on British Challenger 2 tanks.

"The Prime Minister said he had met Ukrainian troops training in the UK last week, and was inspired by their courage and the stories of their loved ones back home. He added that they had paid tribute to President Zelensky’s strong leadership," said the spokeswoman.