It comes after the first official acknowledgement by Pyongyang and Moscow of North Korean troops' involvement in the Ukraine war.

South Korea’s spy agency says an estimated 4,700 North Korean soldiers have been killed or wounded while fighting alongside Russia against Ukrainian forces

North Korea acknowledged for the first time Monday that it had provided troop reinforcements to aid Russia in its war on Ukraine.

By Vitalii Hnidyi KHARKIV, Ukraine (Reuters) -Swarms of Russian drones attacked the Ukrainian cities of Kharkiv and Dnipro late on Tuesday, killing at least one person and wounding around 50, officials said.

Russia launched a wave of attacks on Ukraine using more than 100 combat drones, President Volodymyr Zelensky said on Wednesday. "Russian drones have been flying over Ukraine all morning. And this has become a daily occurrence,

Emergency services tackled huge fires in Kharkiv following overnight Russian drone strikes on Tuesday, 29 April. Footage from the State Emergency Service of Ukraine (SES) showed emergency services dousing large flames from damaged buildings as residents were assisted in areas covered in rubble.

The General Staff of the Ukrainian Armed Forces denied Russian President Vladimir Putin's claim over the weekend that Russian forces had fully retaken the Kursk region, where Ukraine launched an offensive last year.

Russia's success removes another barrier to a peace deal Moscow was reluctant to conclude with so many enemy troops on its soil.