Iran threatened the European Union with consequences on Sunday if parliament adds the Revolutionary Guards (IRGC) to a terror list, as proposed. “The European Parliament has shot itself in the foot and the response will be a countermeasure,” Iran’s Foreign Minister Hussein Amirabdollahian tweeted. The Iranian chief diplomat confirmed that the parliament was already working on the draft. Amirabdollahian and IRGC commander Hussein Salami attended a meeting on Sunday to discuss the issue. The exact countermeasures are unclear. There was talk however, of detaining foreign oil tankers in the Persia…