KYIV—Russia killed at least nine people and injured 70 others in an overnight attack on Kyiv, its biggest aerial bombardment of Ukraine’s capital this year, as U.S.-mediated talks to end the war stall.

Ukrainian authorities say a large-scale Russian missile and drone attack hit Kyiv overnight, killing nine people and injuring another 63, including six children

The U.S. proposal would freeze territory along the current front lines of the Russia-Ukraine conflict, which Ukraine has rejected.

Vice President JD Vance said the US has issued a “very explicit proposal” to Russia and Ukraine on a path forward to a peace deal, adding “it’s time for them to either say yes or for the United States to walk away from this process.

London talks aimed at securing a ceasefire between Ukraine and Russia have been downgraded and will no longer include US Secretary of State Marco Rubio and special envoy Steve Witkoff. The meeting on Wednesday will instead take place among senior officials from the UK,

President Volodymyr Zelenskiy said on Tuesday that Ukraine would be ready to hold talks with Russia in any format once a ceasefire deal is in place and the fighting has stopped.