The American administration has condemned the Venezuelan government over the death of a jailed opposition figure, describing it as a "stark reminder of the despicable character" of President Nicolás Maduro's government.
The political prisoner was found dead in his detention cell at the El Helicoide detention center in Caracas, where he had been detained for more than a year, according to advocacy organizations and dissident factions.
The Caracas administration said that the former governor showed indicators of a heart attack and was taken to a medical facility, where he died on Saturday.
This latest intervention from the United States is part of an intensifying exchange of rhetoric between the Trump administration and President Maduro, who has claimed the US of seeking regime change.
In the past few months, the United States has expanded its armed forces deployment in the Latin America and has executed a series of deadly strikes on vessels it asserts have been used for smuggling narcotics.
US President Donald Trump has alleged Maduro himself of being the chief of one of the country's drug cartels—an accusation the Venezuelan president vehemently denies—and has threatened armed intervention "on the ground".
"Alfredo Díaz had been 'unjustly imprisoned' in a 'torture centre'," said the American diplomatic office for the region.
The opposition figure was taken into custody in 2024 after participating with several dissidents to dispute the outcome of that period's national vote.
Venezuela's pro-government election council proclaimed Maduro the victor, despite figures from dissidents indicating their contender had triumphed by a landslide.
The elections were widely dismissed on the international stage as neither free nor fair, and ignited unrest around the nation.
Díaz, who was in charge of the Nueva Esparta state, was indicted of "promoting hatred" and "terrorism" for disputing Maduro's electoral win.
National human rights group Foro Penal has expressed alarm over declining situations for detained dissidents in the country.
"One more political prisoner has died in Venezuelan detention centers. He had been imprisoned for a year, in solitary confinement," stated Alfredo Romero, the organisation's president, on a social media platform.
He noted that the detainee had only been permitted one encounter from his daughter during the full duration of his detention. He added that 17 detained dissidents have passed away in the nation since that year.
Political rivals have also criticized the government over the death of the former governor.
María Corina Machado, a leading opposition leader who received this period's Nobel Peace Prize but who is in concealment to escape capture, commented that his demise was not a one-off event.
"Sadly, it adds to an alarming and painful sequence of deaths of detained dissidents held in the context of the electoral repression," she posted.
The opposition alliance declared that Díaz "passed away unfairly".
Díaz's own political party, Democratic Action (AD), also honored the politician, saying he had been wrongly imprisoned without fair treatment and had been kept in situations "which violated his fundamental rights".
Strains between the US and Venezuela have become progressively worse over what Trump has labeled efforts to curb the influx of drugs and immigrants into the US.
Maduro has in turn claimed the US of using its anti-narcotics campaign as an excuse to depose his socialist government and access Venezuela's enormous petroleum resources.
The America has also stationed a sizable naval force—its most substantial deployment in the area in many years—along with numerous troops.
In a related development, the Venezuelan military according to reports enlisted thousands of recruits in a mass ceremony on the weekend, in response to what military leaders called US "intimidation".
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