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.

Ukrainian drones targeted Moscow and the surrounding region around 7:00 a.m. local time on Friday, according to Russian media reports.