The Latest Breaking News on War in Ukraine

The leak of highly sensitive US documents – many of them related to the Ukraine conflict – presents a "very serious" risk to US national security, the Pentagon said Monday. The breach is being investigated by the Justice Department and appears to include secret information on the war in Ukraine…

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US information about the Ukraine war, North Korean missile tests and more have leaked on social media websites like Discord and 4Chan — here's what you need to know.

Senior leaders are quickly taking steps to mitigate the damage caused by the documents being leaked online, a top Pentagon spokesman says.

Jailed Kremlin opponent Vladimir Kara-Murza Jr. is likening judicial proceedings against him to the sham Stalin-era and later proceedings that condemned his countrymen to prison or death sentences

The Pentagon has said it has launched an investgation into the leaked documents, which also included nationally sensitive material on China and the Middle East as well as Ukraine.

Classified documents revealing Ukraine military troubles and US intel gathering against allies were probably spread through gaming servers

Russian opposition figure facing up to 25 years in jail tells Moscow court he stands by all of his political statements

The Pentagon says online leaks of scores of highly classified documents about the Ukraine war present a “very serious” risk to national security and senior leaders are quickly taking steps to mitigate the damage