In response to continued air strikes, the United Arab Emirates is quietly tightening its economic grip on Iran. The UAE has implemented a ban restricting most Iranian nationals from entering or transiting its airports.

The United Arab Emirates has begun retaliating against Iran’s incessant air strikes on its industrial infrastructure by squeezing the economic lifeline it has long extended to the sanctions-bound Islamic Republic. Rather than taking sweeping measures that would signal an escalation beyond its purely defensive posture, the UAE this week quietly banned most Iranians from entering the country or transiting its airports. The UAE is home to more than half a million Iranians, many of whom are...