Passing of Venezuela's Political Dissident in Custody Labeled 'Vile' by US Representatives.

The American administration has criticized the administration in Caracas over the passing of a jailed opposition figure, calling it a "clear indication of the despicable essence" of President Nicolás Maduro's government.

The political prisoner was found dead in his prison cell at the El Helicoide prison in Caracas, where he had been held for over a year, according to advocacy organizations and dissident factions.

The Caracas administration said that the 56-year-old displayed symptoms of a myocardial infarction and was rushed to a medical facility, where he died on the weekend.

Intensifying Rhetoric Between Washington and Venezuela

This new criticism from the US is part of an escalating diplomatic spat between the American government and President Maduro, who has accused the US of seeking regime change.

In the past few months, the America has increased its armed forces deployment in the region and has executed a number of lethal operations on ships it asserts have been used for moving narcotics.

US President Donald Trump has accused Maduro himself of being the leader of one of the area's cartels—an accusation the Venezuelan president categorically refutes—and has threatened the use of force "by land".

"He had been 'held without cause' in a 'center of abuse'," declared the US foreign policy division.

Background of the Imprisonment

The opposition figure was detained in that year after participating with several opposition figures to contest the outcome of that period's election for president.

Venezuela's state-run election council announced Maduro the winner, even though opposition tallies showing their nominee had been victorious by a wide margin.

The electoral process were widely dismissed on the world stage as lacking in credibility, and triggered protests throughout the nation.

The former governor, who led the island state, was indicted of "promoting hatred" and "terrorist acts" for disputing Maduro's claim to victory.

Reactions from Advocates and the Opposition

Venezuelan human rights group Foro Penal has expressed alarm over worsening situations for jailed opponents in the country.

"One more jailed opponent has lost his life in Venezuelan detention centers. He had been held for a twelve months, in segregation," stated Alfredo Romero, the group's director, on a social network.

He added that he had only been allowed one encounter from his child during the entire length of his imprisonment. He added that over a dozen detained dissidents have lost their lives in the nation since that year.

Political rivals have also criticized the regime over the passing of Díaz.

María Corina Machado, a well-known dissident figure who received this year's Nobel Peace Prize but who stays in concealment to avoid arrest, commented that the governor's death was part of a pattern.

"Tragically, it adds to an disturbing and heartbreaking chain of fatalities of jailed opponents detained in the wake of the post-election crackdown," she posted.

The coalition of rivals declared that Díaz "died unjustly".

His own political party, Democratic Action (AD), also paid tribute to the ex-leader, noting he had been unjustly detained without due process and had remained in situations "which violated his human rights".

Wider International Tensions

Frictions between the United States and Venezuela have become ever more tense over what Trump has labeled actions to stem the influx of drugs and immigrants into the US.

• US air strikes on ships in the regional waters have resulted in the deaths of dozens of persons.
• Trump has accused Maduro of "clearing out his jails and insane asylums" into the US.
• The US has labeled two Venezuelan trafficking organizations as terrorist organisations.

Maduro has for his part accused the US of using its drug enforcement efforts as an pretext to remove his administration and access Venezuela's enormous oil reserves.

The United States has also stationed a significant fleet—its biggest deployment in the region in decades—along with thousands of military personnel.

In a parallel action, the Venezuelan military according to reports inducted over five thousand six hundred recruits in one go on the weekend, in answer to what army commanders called US "intimidation".