In the days leading up to the US' surprise military strike on Tehran's three nuclear sites, Iran warned it would activate sleeper cell attacks on American soil if the operation went ahead, according ...

Foreign Secretary David Lammy urged Tehran to 'take the off ramp' of negotiations as he made a statement in the Commons on ...

President Donald Trump got a warning from Iran that it has sleeper cells in the U.S. that could act in retaliation for his ...