Ukraine

Later that day, NATO Air Command confirmed that a drone was shot down by allied fighters under NATO command and control in Romanian airspace.

Ukrainian officials believe that Russia is unlikely to end the war full stop and think that a partial ceasefire, which has been floated before, seems like the most realistic option.

Rubio said that it was a challenge to find an "end that both sides can accept," but that the US is "prepared to play that role in a positive way."

"Yesterday... not a single ship entered the port," Zelensky told reporters on Thursday. "They've been hitting all the ships. They're going to step this up." 

Ukraine has become increasingly proficient in using tens of thousands of drones a week in its war with Russia.

Oleksandr Syrskyi said Ukraine is on the offensive while also holding the defensive line against Russia, as he prepares to hand command of the army to young general Mykhailo Drapatyi.

The breaches have resulted in the violation of the air sovereignty of 12 countries, repeatedly forcing the closure of major airports and disrupting military activity.

The change follows days of street protests sparked by a surprise governmental reshuffle that ousted the popular defense minister.

A new concept from US defense firm Anduril highlights how manned-unmanned teaming and drone swarms could reshape the battlefield of tomorrow.

The story emerged from 263 songs recorded in 1944 by Soviet Jewish ethnomusicologist Moisei Beregovsky from Ukrainian Jews newly freed from Romanian occupation in 1944.