[70727] Diplomatic Escalation: US Intensifies Measures Against Iran and Cuba

The US diplomatic tension with Iran and Cuba at the center

The US administration is hardening its stance in the international arena, with significant developments regarding Iran and Cuba on May 22, 2026. The current American policy focuses on targeted sanctions and the definition of security threats, measures that are perceived by the affected parties as closing the door to dialogue.

The tension with Iran: sanctions versus belligerent rhetoric

Iran International, a media outlet identified with the Iranian diaspora opposition that criticizes the Islamic Republic regime, reported that the US Department of the Treasury imposed sanctions on Mohammad Reza Rauf Sheibani, Iran's former ambassador to Lebanon. Ebrahim Rezaei, spokesperson for the National Security Committee in the Iranian Parliament, responded sharply and claimed that this is "diplomacy provocation." Rezaei added that "this negotiation is probably a fraud," and called to convey the message to the US by "sending missiles instead of diplomats."

Defining a threat in Cuba

At the same time, Afghanistan International reports that the US Secretary of State, Marco Rubio, defined Cuba as a "national security threat" to the US. The declaration follows legal proceedings opened by Washington against former Cuban president Raul Castro. According to the report, Rubio assessed that "the chance of reaching a diplomatic agreement with Havana is not high."

These developments reflect a hard line by the Biden administration, which combines legal and economic pressure against countries that are under sanctions, as the affected parties interpret the moves as a complete retreat from commitment to multilateral diplomacy.