http://www.bbc.co.uk/news/world-us-canada-15266992

Iran agents 'planned US terror attacks'

The US says it has broken up a major terror plot in which agents linked to Iran sought to assassinate the Saudi ambassador to Washington.

Two men originally from Iran - one a naturalised US citizen - have been charged with counts of conspiracy, Attorney General Eric Holder said.

The plot was "conceived" in Iran by the Quds force, part of Iran's Revolutionary Guard Corps, he added.
Interesting to see where this goes.