"John Bolton has been assigned with the job organizing my assassination," said the Venezuelan president, providing no evidence.
Secretary of State Mike Pompeo blasted Russia's decision to send nuclear-capable warplanes to Venezuela, while the Kremlin called the U.S. diplomat's remarks "completely inappropriate."
"We are builders of peace and not war," Venezuelan Defense Minister Vladimir Padrino said.
The Russian leader has expressed support for strongman Nicolás Maduro, but the Kremlin did not specify what kind of aid Caracas may receive.
Is Venezuela really sponsoring terrorist groups? Analysts believe the Republican-led initiative is founded on nebulous claims.
En entrevista con Newsweek, Saleh describe su suplicio en prisión, lo que debe hacer la administración de Donald Trump para ayudar a Venezuela y por qué el mundo no debe ignorar una de las peores crisis humanitarias del mundo.
In an interview with Newsweek, Lorent Saleh describes his ordeal in prison, what the Trump administration should do to help Venezuela and why the world should no longer ignore one of its worst humanitarian crises.
"These tyrants fancy themselves strongmen and revolutionaries, icon and luminaries," Bolton said in his speech.
"They will not even touch a single hair of mine, because God and the people of Venezuela protect me," President Nicolás Maduro said.
There was no evidence to suggest that Democrats want to turn the U.S. into Venezuela, or that large numbers of Democrats would vote Republican.
President Donald Trump mocked the drone attack during a presidential rally in Venezuela, but it could happen in the U.S. as well.
When asked about options for dealing with President Nicolás Maduro's administration, the president said he was considering the "strong ones and the less than strong ones, and you know what I mean by strong."
Pence issued a strong warning to Venezuela on Tuesday after it stationed troops along the border of Colombia in a move seen as highly provocative by Bogotá and Washington.
Strongman Nicolás Maduro's wife was recently added to the Treasury's specially designated nationals list.
"He is actually the overweight dictator of a nation where 30% of the people eat only once a day & infants are suffering from malnutrition," Rubio tweeted of Maduro.
As Turkey's internet sensation was preparing a hearty meal to Nicolás Maduro, Venezuela continues to grapple with the largest exodus in the Western Hemisphere to date.
Venezuela has become increasingly reliant on Chinese oil-for-loans deals as its economy spirals downward.
Under Maduro's authoritarian regime, Venezuelans have faced an economic crisis and high crime rates as people continue to protest.
Many Venezuelans have complained that it has become increasingly difficult to obtain passports and official documents, such as marriage and birth certificates, as their country sinks further into an economic crisis.
Analysts disagree: "Threatening military action risks derailing diplomatic progress and spreads false hope among the extremist voices in the Venezuelan opposition that they don't have to do the hard work of building a coalition and leadership structure."
Brazil, Colombia, Guatemala, Mexico, Venezuela and the U.S. together accounted for half of the 251,000 gun deaths in 2016.
In one brothel in the Colombian border town of Cúcuta, 58 of the 60 women were from neighboring Venezuela.
The 5.9 aftershock was felt in Trinidad and Tobago and other parts of Venezuela following a 7.3 earthquake that hit the countries on Tuesday.
The "sovereign bolivar" was launched on Monday as a revaluation and renaming of the old bolivar.
"You've no idea what it's like [in Venezuela]. Whole families eat from the trash."