European leaders met in London to form a plan to help end the war in Ukraine. But even potential peacekeepers face political and economic hurdles.

European leaders sought to assemble what Britain called a “coalition of the willing” to secure Ukraine after any US-brokered ceasefire, as they gathered in London to coordinate defense spending hikes amid concerns of an American pullback.

"We are all working together in Europe in order to find a basis for cooperation with America for a true peace and guaranteed security," Zelensky said after the summit. Meanwhile, French President Emmanuel Macron told Le Figaro newspaper that Paris and London wanted to propose a one-month truce between Russia and Ukraine "in the air,