Israel may attack Iran's nuclear facilities before Christmas or early next year, according to a report by the London Daily Mail.
British officials were told to expect the Israeli aerial strike after a new United Nations report revealed that Iran is working on a nuclear weapons program.
The International Atomic Energy Agency found that Iran is developing a nuclear test facility, nuclear detonators, and computer modelling for a nuclear warhead that would fit on an existing missile in its arsenal.
The Daily Mail cites British government sources as saying that the cabinet expects Israel to attack Iran "sooner rather than later." A source in the British Foreign Office revealed that ministers have been told to expect Israeli military action.
Israel could get support from the U.S. in an attack on the Islamic Republic's nuclear facilities, according to the newspaper.
The Daily Mall said British officials believe President Obama would have to support the Israelis or fear losing Jewish-American support in the 2012 election.
Iran's Ayatollah Khamenei has warned Israel and the U.S. against an attack.
He said anyone who attacks Iran, "should get ready to receive a strong slap and an iron fist."