Russian attacks killed more than 20 people across Ukraine on Tuesday, including 12 in one of the deadliest strikes this year, hours before the midnight start of an open-ended ceasefire proposed by Kyiv.

Russian drone and missile strikes targeting Ukraine’s power grid during the night killed at least five people and wounded 39 others, Ukrainian authorities said Tuesday, less than a day before Kyiv said it would enact a ceasefire and three days before Moscow promised its own truce.

The homegrown FP-5 Flamingos struck a military-industrial site in the Russian city of Cheboksary, about 370 miles east of Moscow.

Ukraine has launched a wave of strikes against Russia's oil export infrastructure, including tankers in its "shadow fleet."

Ukraine has launched a wave of strikes against Russia’s oil export infrastructure, hitting a key loading port on the Baltic Sea and three tankers that Ukraine alleges were illegally used to transport Russian crude.

Ukrainian forces are increasingly demonstrating their capability to strike deep inside Russian territory, reaching regions once considered far beyond the war's immediate reach. Recent attacks, including a daring drone strike on Moscow,