The problem is not [that] Another challenge lies in Russia’s evolving drone deployment strategy. With rising production, Moscow is now simultaneously dispatching large swarms of drones, concentrating them on selected targets rather than chaotically scattering them across the country.

Russian aviation faced big delays due to the threat posed by Ukrainian drones, while Moscow's attacks on Ukraine killed at least one person.

It is a pivotal moment in Ukraine as Kyiv announced it will hold another round of peace talks with Russia on Wednesday. It's the first such meeting in seven weeks and comes as NATO leaders try to answer Ukraine’s desperate call for more weapons after Moscow launched one of its largest-ever aerial assaults.

Russia attacked Ukraine with missiles and hundreds of drones overnight, killing two people, wounding 15 and causing damage and fires in several parts of the country, Ukrainian President Volodymyr Zelenskiy said on Monday.

Russian state TV took aim at Melania Trump, saying she is responsible for her husband's apparently tougher stance toward Putin.

At Monday’s meeting, Healey was expected to urge Ukraine’s Western partners to launch a coincidental “50-day drive” to get Kyiv the weapons it needs to fight Russia’s bigger army and force Russian President Vladimir Putin to the negotiating table, the U.K. government said in a statement.

A Russian factory, described by its director as the world's biggest maker of strike drones, has been shown on the Russian army's TV channel with teenagers helping make kamikaze drones to attack Ukraine.

Fighter jets from NATO nations Poland and Sweden responded to a "massive" Russian aerial assault on Ukraine overnight, the Polish military said.