A Ukrainian delegation headed by Rustem Umierov, Secretary of the National Security and Defence Council of Ukraine, has set off for the United States to continue talks on the US "peace plan".

A Canadian military counter-intelligence operative, accused of passing sensitive information to Ukraine, was warned repeatedly to stay away from a representative of that country’s intelligence service ...

U.S. officials said talks in Berlin led to narrowing differences on security guarantees that Kyiv said must be provided, as ...

Fighters of Ukrainian intelligence carried out a successful operation in occupied Berdyansk in the Zaporizhzhia region. A concentration of Russian National Guard personnel and enemy equipment was hit, ...

The locations of more than 330 abducted Ukrainian children have been identified by the country’s Foreign Intelligence Service, President Volodymyr Zelensky assured his countrymen. “We are providing ...

Ukraine's Security Service and National Police prevented an assassination plot against a defense employee in Zaporizhzhia, ...

The Canadian military counter-intelligence officer accused of leaking secrets to Ukraine was part of investigation into a dossier that claims a Postmedia journalist has been a longtime Russian asset.

The head of Britain’s MI6 spy agency says Russian President Vladimir Putin is stalling efforts to end Russia’s war on Ukraine ...

Denmark singled out the U.S. as a security concern because of what it said was 'uncertainty' about its role as a guarantor of ...