Ukraine said it struck a Russian airbase on Saturday, while Russia continued to pound Ukraine with hundreds of drones overnight as part of a stepped-up bombing campaign that has further dashed hopes for a breakthrough in efforts to end the more than 3-year-old war.

Recently, reports came out indicating that the U.S. was halting certain weapon supplies to Ukraine over fears that its stockpiles may be running too low. Among the supplies that have been stopped are interceptor missiles for American-made Patriot air-defense systems.

Ukraine confirms strike on missile battery plant in Lipetsk During a phone call with U.S. President Donald Trump on July 3, Russian President Vladimir Putin said "Russia will continue to pursue its goals" in the war against Ukraine,