The US has hit targets in Syria used by groups affiliated with Iran's IRGC

Statement from US military.

• has carried out a strike in Syria
• hit targets including facilities used by groups in the country affiliated with Iran's Islamic Revolutionary Guard Corps

Nothing further at this stage.

-

I posted this earlier:

• US officials expect to respond to Iran on nuke deal draft by Wednesday - then more talks

Military tensions between the two countries are never far away and play a role in these talks, of course.