Passing of Venezuela's Opposition Figure in Custody Described as 'Despicable' by United States Officials.

The United States has lashed out at the Venezuelan government over the death of a imprisoned opposition figure, calling it a "clear indication of the despicable nature" of President Nicolás Maduro's government.

The political prisoner passed away in his detention cell at the El Helicoide detention center in Caracas, where he had been detained for in excess of twelve months, as reported by human rights organisations and opposition groups.

The Caracas administration reported that the 56-year-old exhibited indicators of a cardiac arrest and was transferred to a hospital, where he succumbed on the weekend.

Intensifying Rhetoric Between US and Caracas

This latest criticism from the United States is part of an escalating diplomatic spat between the Trump administration and President Maduro, who has claimed Washington of seeking his overthrow.

In recent months, the US has boosted its military presence in the Latin America and has carried out a number of lethal operations on vessels it claims have been used for smuggling narcotics.

US President Donald Trump has accused Maduro personally of being the chief of one of the country's cartels—an accusation the Venezuelan president strongly rejects—and has hinted at the use of force "by land".

"The detainee had been 'unjustly imprisoned' in a 'torture centre'," declared the US State Department's Bureau of Western Hemisphere Affairs.

Context of the Arrest

The opposition figure was detained in that year after being among several political opponents to dispute the results of that period's election for president.

Venezuela's pro-government electoral authority declared Maduro the winner, even though figures from dissidents indicating their candidate had been victorious by a overwhelming majority.

The vote were broadly rejected on the global scene as lacking in credibility, and sparked protests throughout the nation.

Díaz, who governed the island state, was indicted of "incitement to hatred" and "extremism" for questioning Maduro's declaration of success.

Responses from Rights Groups and the Political Rivals

Local rights organization Foro Penal has expressed alarm over deteriorating circumstances for detained dissidents in the country.

"Yet another political prisoner has passed away in Venezuelan detention centers. He had been held for a twelve months, in solitary confinement," stated Alfredo Romero, the organisation's president, on a social network.

He noted that the detainee had only been allowed one meeting from his child during the full duration of his imprisonment. He further stated that seventeen detained dissidents have passed away in the nation since that year.

Dissident factions have also condemned the regime over the death of the former governor.

María Corina Machado, a prominent political rival who was awarded this year's Nobel Peace Prize but who is in hiding to avoid arrest, stated that his death was part of a pattern.

"Tragically, it contributes to an disturbing and painful sequence of deaths of jailed opponents held in the wake of the after the vote suppression," she said.

The Democratic Unitary Platform declared that the former governor "died unjustly".

His own party, Democratic Action (AD), also paid tribute to the ex-leader, stating he had been unjustly detained without fair treatment and had been kept in conditions "which violated his basic rights".

Broader Geopolitical Tensions

Tensions between the US and Venezuela have become ever more tense over what Trump has labeled attempts to stop the flow of narcotics and migrants into the US.

• US bombings on ships in the regional waters have claimed the lives of more than 80 persons.
• Trump has claimed Maduro of "releasing inmates from his jails and mental institutions" into the US.
• The US has labeled two Venezuelan drug cartels as terror groups.

Maduro has conversely claimed the US of using its anti-narcotics campaign as an excuse to depose his administration and gain control of Venezuela's vast crude oil deposits.

The America has also deployed a large naval force—its biggest presence in the region in decades—along with numerous military personnel.

In a parallel action, the Venezuelan armed forces according to reports inducted more than 5,600 recruits in one go on the weekend, in reaction to what army commanders termed US "aggression".