Russia said it was hit by a “massive” drone attack overnight Tuesday, hours ahead of critical talks between officials from Washington and Kyiv.

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.

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,