US faces elevated terror threat amid war in Iran

A man rammed his vehicle into the Temple Israel synagogue in Michigan earlier this week (Paul Sancya/AP)

Three acts of ideologically inspired violence in the past week in the United States have laid bare the heightened terrorism threat unfolding against the backdrop of the war with Iran.

In New York City, two men who federal authorities say were inspired by Islamic State brought powerful homemade bombs to a far-right protest outside the mayoral mansion.