Ukraine says its air force hit a Russian drone hub, killing operators. The site was used to launch reconnaissance, strike, and FPV drones, it said.

Russian forces launched a mass overnight drone attack on residential areas of Ukraine's Black Sea port of Odesa, triggering fires and damaging many apartments, local officials said early on Tuesday. "The enemy targeted a residential area in a densely populated district of Odesa,

President Volodymyr Zelenskiy said on Tuesday that Ukraine would be ready to hold talks with Russia in any format once a ceasefire is in place and the fighting between Kyiv and Moscow's forces has stopped.

Russia and Ukraine blamed each other for breaking an Easter ceasefire announced by Vladimir Putin, with both sides accusing the other of carrying out attacks.

The Kremlin once again declared its readiness for negotiations with Ukraine. Kremlin spokesman Dmitry Peskov stated that Kyiv must "legally clear the obstacles," the Russian news agency RIA Novosti reports.