The FBI is zeroing in on a US government office where it believes the leaked US intelligence documents on Israel’s preparations for a possible attack on Iran were printed, a US official and another source familiar with the matter told CNN.

The reports began circulating online last week, raising concerns the leaker came from within the U.S. government.

The FBI says it's investigating the unauthorized release of classified documents on Israel’s preparation for a potential retaliatory attack on Iran.

Top-secret documents, which surfaced on the Telegram messaging app, contain U.S. intelligence on Israel’s potential plans for a retaliatory attack on Iran.

The FBI says it's investigating the unauthorized release of classified documents on Israel’s preparation for a potential retaliatory attack on Iran.

The FBI is investigating the public disclosure of a pair of highly classified intelligence documents describing Israel's preparations for a retaliatory strike on Iran, the bureau said on Tuesday. "The FBI is investigating the alleged leak of classified documents and working closely with our partners in the Department of Defense and Intelligence Community,

Israel has decided to delay its planned retaliatory strike on Iran in response to Iran's air raid on 1st October, due to the disclosure of classified documents in the United States concerning Israeli military preparations,

Israel had to rewrite and delay its plan to strike Iran after a U.S. intelligence document outlining the plan leaked over the weekend, The Times reported on Thursday. The leaked document contained details of Israel’s preparatory actions ahead of its strike against Iran,