The Kremlin has repeatedly said arms shipments to Ukraine from allies prolong the conflict Moscow started and raise the risk of escalation. The U.S. confirmed this week it had paused supplying some arms to fight Russian aggression.

While repelling the attack, Ukraine lost its fourth F-16 fighter jet. Although details surrounding the loss remain undisclosed, Ukrainian President Volodymyr Zelenskyy posthumously bestowed the title of Hero of Ukraine on pilot Maksym Ustymenko,

KYIV, Ukraine (AP) — Russia launched its biggest aerial attack against Ukraine overnight, a Ukrainian official said Sunday, part of an escalating bombing campaign that has further dashed hopes for a breakthrough in efforts to end the 3-year-old war.