Russian forces have launched a large-scale drone assault across Ukraine, where officials said three people were killed and 64 others wounded.

Ukrainian President Volodymyr Zelenskyy says rising global oil prices following Israeli strikes on Iran will strengthen Russia by increasing its oil revenues, aiding its war effort in Ukraine.

It’s the first time in three years of war that Russian troops have entered the Dnipropetrovsk region, a sign of battlefield momentum.

Reporters without Borders (RSF) and Truth Hounds, both non-governmental organizations, published a report on the deliberate

Ukrainian officials say three people were killed and 13 were wounded when Russia attacked the country with waves of drones and missiles.

Zelenskiy said that the Ukrainian troops had maintained their defensive lines along more than 1,000 kilometres of the frontline. He also dismissed Moscow's claims that Russian troops had crossed the administrative border of the Ukrainian central region of Dnipropetrovsk.

Launching weapons from within their territory forces adversaries to look not only outward but also inside for threats, one expert said.

The convoy consisted of military trucks and buses carrying army personnel, with 20 soldiers killed in the attack.