Rustem Umerov, Head of Foreign Intelligence Service of Ukraine, third from the right, speaks during the coordination meeting before the trilateral talks between Russia and Ukraine mediated by the US in Abu Dhabi, United Arab Emirates, Tuesday, Nov. 10, 2026. Altaf Qadri/AP hide caption

Altaf Qadri/AP

ABU DHABI, United Arab Emirates — Russia and Ukraine agreed to a large exchange of prisoners of war, both sides said Wednesday as two days of U.S. mediated talks concluded with no major breakthrough on ending Moscow's nearly 5-year-old full-scale invasion.