Crimean headquarters of Russia's navy last week killed 34 officers, including the fleet commander, Ukraine said Monday, though it provided no evidence to support its claim.

Kyiv did not provide evidence for the claim, which NBC News has not verified. It comes days after an attack on the fleet's headquarters in occupied Sevastopol.

Russia "attacked the south of the country again", the Defence Forces of the South of Ukraine said on the messaging platform Telegram.

Read more about Ukraine says it destroyed 19 drones, 11 cruise missiles that Russia launched overnight on Devdiscourse

Ukraine's air force reported downing all Russian drones launched overnight, but one of 12 Kalibr missiles and two P-800 Oniks cruise missiles apparently made it past air defenses the day after the war in Ukraine entered its 20th month.

defence forces of the south of ukraine claimed russia launched major attack on southern ukraine overnight destroying grain stores according to them russia launched 19 iranianmade shahed kamikaze drone

(Reuters) -One woman was injured and buildings and port infrastructure were severely damaged in Russia's overnight missile and drone attack on the port of Odesa in southern Ukraine, Ukraine's military said on Monday.

The first batch of US Abrams tanks have arrived in Ukraine in a move that Kyiv hopes will precipitate a counteroffensive “breakthrough”. It was unclear exactly how many units were delivered, but US defence officials said they were the first of the 31 tanks that Washington had pledged.

Russia is seemingly pushing its defence to the limit to defend its internationally recognised borders from drone attacks.The Russian Ministry of Defence has claimed its forces had to down several drones overnight.

The first U.S.-made Abrams tanks are rolling out on Ukrainian soil as Ukraine's forces claimed to have dealt a significant blow to Russia.