Russia and Ukraine again exchanged a series of major overnight drone strikes as the two sides maneuvered ahead of a possible resumption of ceasefire talks later this week.Renewed talks -- if they do happen -- would take place as both Kyiv and Moscow near new records for the scale and intensity of cross-border strikes,

Ukraine's drone attacks on Moscow over the weekend caused chaos at four major airports as passengers were forced to sleep on terminal floors or wait in long queues.

Ukrainian drone attacks on Moscow caused massive traffic disruptions at the Russian capital's four airports, officials said on Sunday. In the Selenograd district, the strikes also damaged numerous high-rise buildings and cars were set on fire,