Russia said Foreign Minister Sergei Lavrov and US Secretary of State Marco Rubio came to no agreement on a meeting during phone talks, casting a shadow over preparations for a planned summit between their presidents aimed at ending the war in Ukraine.

Russia overnight launched a heavy air attack on Ukraine -- including striking Kyiv with drones and ballistic missiles -- that killed at least six people, including two children. It came hours after plans for President Donald Trump’s proposed summit with Russian President Vladimir Putin appeared to fall apart,