The story: Shiite armed groups in Iraq are threatening to target American assets in the region if the US intervenes in the Hamas-Israel war—or if Tel Aviv “expands the battleground.” This comes amid reports of a possible Israeli ground incursion into Gaza, and as Israel may also target Lebanon, where several cross-border confrontations with Hezbollah have taken place. Meanwhile, Yemen’s Ansarullah movement—better known as the Houthis—has stated that it will respond if the US intervenes in Gaza.

Amid the warnings by Iran’s regional allies, the US has notably moved an aircraft carrier closer to Israel “to send a clear message of deterrence to other states or non-state actors that might seek to widen this war."

The Iraqi reactions: Hours after its Oct. 7 attack on Israeli communities near Gaza, Hamas called on “brothers in the...