Russia attacked the Ukrainian capital Kyiv with a sophisticated combination of missiles and drones for the first time in 73 days on Wednesday, authorities reported, as the Pentagon said most of the North Korean troops sent to help Moscow’s war effort are fighting to drive Ukraine’s army off Russian soil in the Kursk border region.

Russia has struck Kyiv with a sophisticated missile and drone attack for the first time in 73 days. The top official in the Ukrainian said Wednesday that capital defense forces destroyed several cruise and ballistic missiles and up to a dozen drones.

Russia launched an extensive drone strike on Ukraine’s capital, Kyiv, with the assault lasting over five hours, according to city officials. Several waves of explosions were heard throughout the night as Ukraine’s air defenses intercepted and downed all drones targeting the capital,