U.S. President Donald Trump says he's spoke with Russian President Vladimir Putin and that the Russian leader told him “very strongly” that he will respond to Ukraine’s weekend drone attack on Russian airfields.

Ukraine’s Volodymyr Zelensky rejected Russian terms to end the war, while Vladimir Putin dismissed any meetings with what he called a terrorist regime.

Nearly 1 million Russian soldiers have been killed or injured in the country’s full-scale invasion of Ukraine, according to a new study, a grisly measure of the human cost of Russian President’s Vladimir Putin’s unprovoked three-year assault on its neighbor.

Russia launched strikes overnight in Ukraine, days after news emerged of a sophisticated attack inside Russia by Ukrainian drones that took a year to plan, according to security officials. This comes on the heels of ceasefire talks in Turkey,