Young Iraqis who drove mass protests demanding sweeping political reforms are worried that the conflict between the U.S. and Iran, which is playing out in part on Iraqi soil, is killing their momentum.

The Islamic State group gloated over the recent U.S. killing of a senior Iranian general, who rose to prominence by advising forces fighting the extremists.

Democratic presidential candidate Joe Biden said Tuesday that President Donald Trump's escalation of tensions with Iran proves him to be "dangerously incompetent" and puts the U.S. on the brink of war.