Russia carried out a mass daytime attack on Ukraine on April 3, deploying hundreds of drones and killing at least four people, and injuring over 30 others, local authorities said.

Ukrainian first responders battled a fire at a hotel in the center of Kharkiv, Ukraine's second-largest city, on Thursday (April 2), after a day-long barrage of drone strikes from Russia.

On March 24 alone, Russia launched over 1,000 drones in 24 hours, marking one of the largest single-day drone barrages since the start of the war.

By Andrew Osborn MOSCOW, April 2 (Reuters) - Students across Russia are being offered large financial incentives to join drone units fighting in Ukraine as operators and engineers, while companies in Russia's central Ryazan region have been given quotas to sign up workers for the army,

Russia carried out a combined strike on Ukraine's critical infrastructure on the night of 2-3 April and on the morning of 3 April using attack UAVs and air-to-surface and surface-to-surface missiles.

He later added that a 63-year-old woman had been injured.