There is a constant buzzing of drones of all sizes above the battlefield in Ukraine as both sides are using unmanned aerial systems in great numbers. Drones have become so important throughout the war that the Ukrainian military has established a separate drone service to control and coordinate the employment of the weapon systems.

South Korea's spy agency said Friday it had confirmed that a North Korean soldier sent to back Russia's war against Ukraine had been captured by Ukrainian forces."Through real-time information sharing with an allied country's intelligence agency,

Ukraine's military intelligence said Ukrainian strikes near Novoivanovka inflicted heavy casualties on North Korean units. It said North Korean troops also faced supply issues and even shortages of drinking water.

U.S. President Joe Biden said on Wednesday he had asked the Defense Department to continue its surge of weapons deliveries to Ukraine, after condemning Russia's Christmas Day attack on Ukraine's energy system and some of its cities.

Air-raid alarms and explosions sounded on Christmas Day in Ukraine as Russian missiles and drones targeted the nation’s energy infrastructure. “Today, Putin deliberately chose Christmas for an attack,

Ukraine's air force says it detected 184 missiles and drones, causing damage to energy infrastructure across the country.