Authorities say Russian drones have slammed into two Ukrainian cities, killing at least one person in nighttime attacks.

(Reuters) -President Volodymyr Zelenskiy said on Friday that Ukraine was working on the rapid development of interceptor drones to counter the swarms of Russian drones that have been descending on Ukrainian cities in increasing numbers in recent weeks.

Families in Ukrainian cities are taking refuge from massive swarms of Russian drones, as Moscow steps up its airborne assault with attacks designed to undermine Ukrainian morale.