The Royal Air Force said the mission demonstrated NATO's commitment to collective defense and its ability to respond to threats.

Scores of sanctions from the US, EU, UK and others have weakened Russia’s economy, but not its resolve to carry on fighting. What’s now needed is not just more but smarter penalties, experts say.

Gould-Davies, a Senior Fellow for Russia and Eurasia at the International Institute for Strategic Studies who has served as the U.K. ambassador to Belarus, wrote recently that foreign-policy setbacks and economic challenges have put Russia in a bind,

Trump warned Russia that he may send Ukraine long-range Tomahawk missiles if Moscow doesn't settle its war there soon, leaving some Kremlin officials furious.

Russia has accused the U.K. of plotting a sabotage operation in a move that shows Moscow is setting the conditions for a conflict with NATO, according to the Institute for the Study of War (ISW).

Ukrainian President Volodymyr Zelenskyy says Ukraine's new long-range missiles and drones are causing significant gas shortages in Russia.

Russia has long since exhausted its supply of modern main battle tanks—and is quickly running out of antiquated reserves, too.

A representative of Ukraine's state-owned rail company said the attacks coincide with Russia's "dramatic increase" in drone production.