Michael Schwirtz

Western officials are investigating whether devices planted at shipping hubs in Europe may have been a test run by Russian operatives for placing them on planes bound for the U.S.

Thousands of soldiers from an elite unit of the Korean People’s Army began arriving on Wednesday and are expected to try to help expel Ukrainian forces from Russian territory.

The Justice Department has accused two Sudanese brothers of cyberattacks on U.S. infrastructure as well as preventing possibly lifesaving alerts from reaching Israelis as the Hamas attack unfolded.

The Ukrainian offensive over the border caught Moscow’s intelligence agencies by surprise, experts say. It wasn’t the first time that has happened during the war.

The stunning incursion into the Kharkiv Region lays bare the challenges facing Ukraine’s weary and thinly stretched forces as Russia ramps up its summer offensive.

The death in Spain of Maksim Kuzminov, a pilot who delivered a helicopter and secret documents to Ukraine, has raised fears that the Kremlin is again targeting its enemies.

The factors behind the failure to prevent a terrorist attack include a distrust of foreign intelligence, a focus on Ukraine and a distracting political crackdown at home.

The apparent death in Spain of Maksim Kuzminov is likely to fuel speculation that it was the work of Russia’s intelligence services.

El piloto ruso Maksim Kuzminov ayudó a Ucrania cuando desertó a su país y abandonó la guerra. Ahora se cree que su cuerpo fue encontrado sin vida.

The unit has taken responsibility for a rare assault in Russian territory, and a member says it is just the beginning.

Kyiv and Moscow angrily blamed each other after two explosions in an apparent drone attack on the heart of Russian power, but whose outrage is real?

The unusually wet ground is one obstacle that the Ukrainian military, for all of its ingenuity, is finding difficult to overcome as it prepares for a counteroffensive against Russian forces.

With fighting in the eastern Donbas region settling into a bloody stalemate, a patch of the Zaporizhzhia region of southeastern Ukraine could prove to be the war’s next big theater.

Fierce fighting has yielded heavy casualties but little movement. Ukrainian forces need heavy weapons to change that, but they say it is no guarantee.

The Brave Commander, a freighter, is expected to carry 23,000 metric tons of wheat to Ethiopia, which World Food Program officials said was “on the verge of famine.”

The Russian mercenary group has extended its network for acquiring weapons — a sign of its reach, but also a possible indication that sanctions are forcing it to branch out from its Russian backers.

Some who till the breadbaskets of Ukraine have already lost three seasons of planting to war. With mines and cluster bombs widely scattered, normal harvests seem far in the future.

Traitor or hero? A decision by the former mayor of Kherson to remain in his post under Russian occupation has divided opinion, even after he vanished.

En la Legión de la Rusia Libre, los soldados repelidos por la invasión de Vladimir Putin han tomado las armas contra su país de origen, participando en algunos de los combates más acalorados de la guerra.

In the Free Russia Legion, soldiers repelled by Vladimir Putin’s invasion have taken arms against their home country, engaged in some of the most heated fighting in the war.