World leaders try to find peace plan for war in Ukraine
UK prime minister Keir Starmer has announced a plan which aims to work with Ukraine, to end the war there and to defend the country from Russia.
At a big meeting on Sunday, many European leaders, and some from other countries, agreed to work together and to try to get support from the USA for their plan.
It follows a difficult weekend for Ukraine president Zelensky after a very public argument with US president Donald Trump during peace talks. Here's Jenny with what you need to know.