Russian and Ukrainian delegates have begun their third set of direct talks in Istanbul, days after US President Donald Trump gave Moscow a 50-day deadline to make peace or face “very severe tariffs.”

The long-range Russian drones come in swarms each night, buzzing over Ukraine by the hundreds, terrorizing the population and attacking targets from the industrial east to areas near its western border with Poland.

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,