Ever since its full-scale invasion of Ukraine, experts say Russia has stepped up its hybrid war on Western Europe. Attacks on critical infrastructure or using drones to shutdown airports are meant to undermine support for Ukraine.

American negotiators trumpeted plans for a prisoner swap, but that was small recompense for months of diplomatic efforts by the Trump administration.

U.S. special envoy Steve Witkoff and President Donald Trump’s son-in-law Jared Kushner will travel to Abu Dhabi for the next round of talks, two U.S. officials told NBC News.

High-level military communication was suspended in late 2021, as tension between Moscow and Washington rose ahead of the full-scale Russian invasion of Ukraine in February 2022.