Ukraine launched its largest-ever drone attack on Moscow as a delegation met with U.S. officials in Saudi Arabia for talks about ending the war with Russia.

Ukraine on Tuesday launched its biggest ever drone attack on Moscow and the surrounding region, killing at least three employees of a meat warehouse, injuring 17 others and causing a short shutdown at the Russian capital's four airports,

The assault, which the mayor called the largest on Russia’s capital since the war began, was a reminder of Ukraine’s power to strike as its president proposes an air truce.