Russia says Ukraine sent a wave of 41 drones over Crimea targets overnight on Monday. Ukraine has not commented on the attack, but a defense official had hinted one was coming. Various unofficial reports say explosions were heard in three key sites in Crimea.

Russia fired eight ballistic missiles at Kyiv, all of which were shot down, during the capital city's nightly curfew, Ukraine's Air Force said.

Russia attacked the Ukrainian capital with eight long-range ballistic missiles before dawn on Monday and four people were wounded by debris after air defences shot down the incoming salvo, officials said.

All 18 Shahed drones launched from Crimea and 8 ballistic missiles launched from Russia’s Bryansk Oblast were neutralized, the Air Force reported. Read also: Ukraine shows fragments of Russian cruise missile neutralized over Kyiv region The Shahed-136/131 drones were launched from the occupied Crimean sits of Chauda and Belbek.

Four civilians were injured while the Ukrainian military neutralized eight ballistic missiles and 18 Shahed kamikaze drones in response to Russia’s latest attack on Ukraine the night of Dec. 11, Ukraine’s Air Force said on Telegram.

Ukraine shot down on Monday missiles launched by Russia in a strike on Kyiv, with at least four people injured by debris falling on several districts of the capital, officials said. Ukraine's air defence systems destroyed eight Russia-launched ballistic missiles at about 4 a.

Kyiv Mayor Vitali Klitschko said four people received medical treatment after debris from one of the downed missiles fell in the eastern part of the city. He also reported missile debris being found at a warehouse,

The ballistic missiles of an undetermined model were reportedly launched against Kyiv Oblast at around 4 a.m., likely from Russia's Bryansk Oblast.