Reuters witnesses saw and heard successive waves of drones flying over Kyiv, and a series of explosions jolted the city.

At least 14 people have been injured in a major Russian missile and drone attack on Kyiv, city authorities say.Russia launched 250 drones and 14 ballistic missiles against Kyiv, Ukraine's air force said,

As Ukrainian drones strike deep into Russian territory, they are disrupting day-to-day life and reminding Russians that the war is not confined to the trenches.

Russia and Ukraine began a major prisoner exchange Friday, swapping hundreds of soldiers and civilians in the first phase of an exchange that was a moment of cooperation in otherwise failed efforts to reach a ceasefire in the 3-year-old war.

In talks held in Istanbul earlier this month that marked the first time the two sides met face-to-face for peace talks since Russia’s 2022 full-scale invasion, Kyiv and Moscow agreed to swap 1,000 prisoners of war and civilian detainees each.

Ukrainian startup Aerobavovna is making waves with a low-tech warfare solution: helium-filled aerostats balloons that extend drone communications.

Ukraine and Russia accused each other of launching attack drones on one another overnight, hours after Russian President Vladimir Putin spoke by phone with his US counterpart Donald Trump - and again refused an immediate ceasefire.

Russian air defense systems shot down 105 Ukrainian drones overnight on May 22, including 35 intercepted over Moscow Oblast, the Russian Defense Ministry claimed. Moscow Mayor Sergei Sobyanin said that all the drones were flying toward the Russian capital.