India, Feb. 3 -- Iran said on Monday it had summoned all of the European Union ambassadors in the Islamic Republic to protest the bloc's listing of the paramilitary Revolutionary Guard as a terror group. The move comes as Iran faces the threat of US military action in response to the killing of peaceful demonstrators and over possible mass executions. The American military has moved the USS Abraham Lincoln and several guided-missile destroyers into the Mideast.

It remains unclear whether President Donald Trump will decide to use force, though regional countries have engaged in diplomacy in an effort to halt a new Mideast war from breaking out. "Trump is trying to calibrate a response to Iran's mass killing of protesters that punishes Ira...