These reflect the existence of Iranian sources at the heart of the work.

Iranian sources said that the action was taken as a result of problems with the rods, rather than Stuxnet.

I just spoke to a trusted Iranian source based in Canada.

These all show "the existence of Iranian sources at the core of the work".

The rally was called off, but security forces remained deployed outside and several officials were unable to leave, according to Iranian sources.

Iranian sources have indicated some willingness to countenance the first two conditions.

However, Iranian official sources has described such claims as "propaganda".

The claim was made by an Iranian source.

This was a clear use of black propaganda to make anti-American broadcasts appear as if they were originating from Iranian sources.

Iranian sources claim a membership of 12.6 million, including women, of which perhaps 3 million are combat capable.