India, Jan. 25 -- Iran's Supreme Leader Ayatollah Ali Khamenei has reportedly moved into a fortified underground shelter in Tehran after senior military and security officials assessed a heightened risk of a potential US attack, according to two sources close to the government cited by Iran International.

The facility is described as a heavily fortified complex with interconnected tunnels, designed to provide maximum protection during wartime contingencies.

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The report said Masoud Khamenei, the supreme leader's third son, has assumed day-to-day management of his father's office and is serving as the principal channel of communication with Iran's executive branches.

The devel...