Cuba's top diplomat in the United States rejected U.S. demands regarding the release of political prisoners during a series of stalled negotiations.

This diplomatic freeze occurs as Cuba faces a severe domestic crisis. The island's energy minister announced Thursday that fuel supplies have been exhausted, a shortage that has sparked protests in Havana [1, 2].

The diplomat said the country is sticking to its red lines [2]. These boundaries are viewed by the Cuban government as essential protections of its national sovereignty amid a long-standing U.S. blockade [2, 3].

Regarding the current state of diplomacy, the diplomat said the negotiations have made "no progress" [2]. The diplomat said Havana will not comply with any U.S. demands regarding the release of political prisoners [3].

While some reports do not mention military escalation, other accounts indicate the diplomat warned of a looming threat from President Trump to invade the nation [2]. This warning coincides with the heightening tensions over the blockade and internal fuel shortages [2].

The Cuban government maintains that the U.S. blockade is the primary driver of the island's economic distress. By refusing to yield on the prisoner issue, Havana is signaling that it will not trade political concessions for diplomatic or economic relief [2, 3].

The negotiations have made "no progress".

The refusal to negotiate on political prisoners, combined with the warning of a potential U.S. invasion, suggests a significant hardening of Cuba's foreign policy. With fuel supplies exhausted and public protests rising in Havana, the Cuban government appears to be prioritizing sovereign ideological red lines over the immediate economic relief that might come from a diplomatic breakthrough with the U.S.