Ukraine’s domestic security service, the SBU, said Monday that it struck a Russian submarine in the Black Sea port of ...

Britain is being warned it is not ready for a potential future war with Russia, as Ukrainian major Viktor Andrusiv and Western officials say the UK’s “hollowed‑out” armed forces, drone gap and ...

US officials said Washington is willing to provide Ukraine with security guarantees similar to NATO’s Article 5 the alliance’s collective defence clause that treats an attack on one member as an ...

US president Donald Trump believes he can get Vladimir Putin to accept a Nato-like article five security guarantee for ...

The U.S. has agreed to provide unspecified security guarantees to Ukraine as part of a peace deal to end Russia’s nearly four ...

As it tries to demonstrate its continuing ability to fight, Ukraine said it had used drones to inflict serious damage on a ...

Ukraine’s domestic security service, the SBU, said it struck a Russian submarine in the Black Sea port of Novorossiysk, Russia, disabling it, in a first attack of its kind. Russia acknowledged the ...

Ukrainian officials said the strike hit a key Russian naval asset at Novorossiysk, dealing a major blow to Moscow’s Black Sea ...

The U.S. has agreed to provide unspecified security guarantees to Ukraine as part of a peace deal to end Russia's nearly four ...

Ukrainian officials announced on Monday that their underwater drones successfully struck and disabled a Russian Kilo-class ...