Passing of Venezuelan Opposition Figure in Detention Described as 'Abhorrent' by US Representatives.

The US government has criticized the Maduro regime over the passing of a imprisoned political dissident, describing it as a "clear indication of the vile essence" of President Nicolás Maduro's government.

Alfredo Díaz died in his prison cell at the El Helicoide detention center in Caracas, where he had been detained for over a year, according to advocacy organizations and dissident factions.

The Venezuelan government reported that the former governor showed signs of a cardiac arrest and was taken to a medical facility, where he succumbed on Saturday.

Intensifying Rhetoric Between US and Caracas

This latest criticism from the United States is part of an intensifying exchange of rhetoric between the American government and President Maduro, who has claimed the US of attempting a change in government.

In recent months, the America has increased its troop levels in the region and has executed a number of deadly strikes on ships it says have been used for trafficking illegal substances.

US President Donald Trump has claimed Maduro himself of being the chief of one of the area's cartels—an accusation the Venezuelan president categorically refutes—and has hinted at military action "on the ground".

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

Background of the Arrest

Díaz was detained in that year after being among several political opponents to challenge the outcome of that period's presidential election.

Venezuela's pro-government electoral authority announced Maduro the winner, notwithstanding figures from dissidents indicating their candidate had won by a landslide.

The elections were broadly rejected on the global scene as neither free nor fair, and ignited protests throughout the nation.

The former governor, who led the island state, was charged of "incitement to hatred" and "terrorism" for questioning Maduro's declaration of success.

Reactions from Advocates and the Opposition

Local rights organization Foro Penal has raised concerns over deteriorating situations for jailed opponents in the Latin American nation.

"One more detained dissident has passed away in Venezuelan prisons. He had been imprisoned for a year, in segregation," stated Alfredo Romero, the body's director, on a social network.

He added that he had only been granted one meeting from his family during the entire length of his imprisonment. He also mentioned that seventeen detained dissidents have died in the nation since 2014.

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

María Corina Machado, a prominent dissident figure who was awarded this year's Nobel Peace Prize but who remains in seclusion to avoid arrest, commented that the governor's demise was not an isolated incident.

"Sadly, it contributes to an disturbing and difficult series of deaths of jailed opponents held in the wake of the after the vote repression," she said.

The Democratic Unitary Platform declared that Díaz "died unjustly".

His own political party, Democratic Action (AD), also paid tribute to the former governor, saying he had been wrongly imprisoned without fair treatment and had stayed in circumstances "that should never have violated his basic rights".

Wider International Tensions

Strains between the US and Venezuela have become increasingly strained over what Trump has called efforts to stop the flow of narcotics and migrants into the US.

• US bombings on ships in the regional waters have resulted in the deaths of more than 80 people.
• Trump has alleged Maduro of "clearing out his prisons and insane asylums" into the US.
• The US has classified two Venezuelan narco-groups as terrorist organisations.

Maduro has for his part alleged the US of using its war on drugs as an justification to overthrow his regime and access Venezuela's vast petroleum resources.

The America has also stationed a significant fleet—its largest presence in the area in decades—along with many soldiers.

In a connected move, the Venezuelan army allegedly swore in over five thousand six hundred troops in a mass ceremony on Saturday, in reaction to what military leaders described as US "intimidation".