Leftist President Nicolas Maduro on Tuesday compared the mounting global pressure against Venezuela's government to the Nazis' treatment of Jews during the Holocaust.
The NGO notes that, of the 275 known political arrests since protests began, 159 remain in prison and the Venezuelan government has failed to keep official records on their cases.
Opposition activists accuse the country's President Nicolas Maduro of mismanagement that has led to a deep economic crisis in the country and call for an early election. "It's outrageo us and unacceptable for the United States to impose sanctions on a sovereign and independent nation in violation of Venezuela n and global laws", she said on Twitter.
Looting and attacks against security installations erupted overnight in the state of Tachira, which borders Colombia, authorities said.
More than 40 people have been killed in nearly two months of unrest in Venezuela.
The list includes Maikel Moreno, the president of the Supreme Court, and the seven principal members of the court's Constitutional Chamber who wrote most of the decisions that have undermined the National Assembly, according to the Treasury Department.More news: Weiner pleads guilty in 'sexting' case
The State Prosecutor's Office said three National Guard sergeants would be charged later on Thursday for their "presumed responsibility" in Castellanos' killing.
"In the recent past they had discussions about the two countries and the president [gave] the reasons why things are happening in Venezuela and the Honourable Freundel Stuart heard what he was saying", Perez said. But demonstrations have escalated into a vehicle for airing grievances against the government for triple-digit inflation, food shortages and a rise in crime. "The global community needs to say "respect the human rights of your people" or this is going to go in the direction we've seen so many others go". On Thursday, several thousand demonstrators once again disrupted life in Caracas and other cities with protests that ended in clashes with security forces firing tear gas and rubber bullets, leaving more than 50 people injured. The Organization of Americas States will hold an emergency ministerial meeting on May 31 to address the crisis.
Earlier Thursday, the USA leader expressed dismay about Venezuela's troubles, asking aloud how a nation holding the world's largest oil reserves could be stricken by so much poverty and turmoil. In February, the administration ordered sanctions against Vice President Tareck El Aissami, accusing him of playing a major role in global drug trafficking.
In March, the court explicitly stated it was assuming the congress' role in a ruling authorizing Maduro to create oil joint ventures without the previously mandated congressional approval.
Deaths, which are often captured on cellphone cameras and shared widely online, will probably further isolate Venezuela's government from worldwide public opinion.
Venezuela's Foreign Minister Delcy Rodriguez, however, said on Twitter that the United States was out to topple the Venezuelan government.