A leak of classified US Defence Department documents is a "very serious" risk to national security, the Pentagon has said.
The documents appear to include sensitive information regarding the war in Ukraine, as well as on China and US allies.
Officials say the files are in a format similar to documents issued to senior leaders.
An investigation has been opened to determine the source of the leak
BBC News has so far reviewed more than 20 of the documents,
https://www.bbc.com/news/world-europe-65225985 many of which appear to detail the deployment and state of Ukrainian and Russian forces ahead of a long-awaited spring offensive by Ukrainian forces.
Some documents, for example, appear to outline US training and equipment being provided to Ukraine ahead of the offensive, as well as when various Ukrainian units will be ready and the anticipated delivery time of military supplies.
Almost 100 US defence department documents have been leaked - and it is unclear who will benefit.
www.bbc.co.uk
Highly classified Pentagon documents leaked online in recent weeks have provided a rare window into how the US spies on allies and foes alike, deeply rattling US officials, who fear the revelations could jeopardize sensitive sources and compromise important foreign relationships.
US State Department Deputy Secretary of State Wendy Sherman has been tapped to lead the diplomatic response to the leak of highly classified Pentagon documents, according to a US official familiar with the matter.
US government officials “are engaging with allies and partners at high levels over this including to reassure them of our commitment to safeguarding intelligence and the fidelity of securing our partnerships” following the mass leak of highly classified documents, State Department principal deputy spokesperson Vedant Patel said Monday.
Patel would not go into details about which countries they had engaged, saying “that work is ongoing.”
Highly classified Pentagon documents leaked online suggest key weaknesses in Ukrainian weaponry, air defense, and readiness, and reveal US penetration of Russia's Defense Ministry and the mercenary organization Wagner Group.
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