"Today, while I am here at the UN headquarters in New York, I am receiving accurate reports from Baghdad where there was (the) arrest of (a) few elements and there are networks planning from inside Iraq to have attacks."
– HAIDER AL-ABADI
He added that information on the threats came after the arrest of IS "elements" in Iraq and said the intelligence "looks credible". They plan to have attacks in the metros of Paris and the US. From the details I have received, yes it looks credible.
Both the US and France have been taking part in air strikes against IS targets in Syria and Iraq.