The outage is reportedly affecting the capital Caracas and 15 of the nation's 23 states.
The White House national security adviser has long been known for his hawkish views, which have sometimes appeared in President Donald Trump's own policies.
Vice President Mike Pence said the U.S. would not tolerate "any threats, violence or intimidation" against opposition leader Juan Guaidó, but his Venezuelan counterpart railed against Western intervention.
Bolton suggested that the Trump administration was ready to embrace a modern version of the Monroe Doctrine.
Russia's top diplomat Sergei Lavrov said Elliot Abrams wants "bloodshed in Venezuela to justify military intervention," but the U.S. envoy said he doesn't mean it.
"There should be no Democrats on the fence on this issue," Fox News Business host Trish Regan argued.
China said that "the Venezuelan government has maintained calmness and restraint and has spared no effort to maintain domestic peace and stability and to effectively avoid large-scale bloody conflicts."
President Nicolás Maduro mocked the U.S. president's attempt to persuade Venezuela's military to support opposition leader Juan Guaidó and allow humanitarian aid into the country. "Who is the commander of the armed forces—Donald Trump from Miami?" he asked.
Fox News ridiculed Vermont Sen. Bernie Sanders' presidential campaign announcement Tuesday morning, warning viewers of the danger that comes with having a "legitimate socialist" entering the 2020 race.
As the Maduro regime fights back, President Donald Trump vowed to overthrow socialism in Venezuela.
Cuba's foreign minister lashed out at the U.S., alleging it is preparing for "military aggression" against Venezuela.
"I don't understand why members of this committee or the American people should find any testimony that you give today to be truthful," Congresswoman Ilhan Omar told U.S. special envoy to Venezuela Elliott Abrams.
Last month, President Donald Trump's national security adviser was spotted with a notepad that said, "5,000 troops to Colombia."
Russian President Vladimir Putin says, "Everything runs like clockwork" on the new Tupolev Tu-22 warplane.
A leading Russian senator said that Moscow was committed to "protecting the sovereign right of the people of Venezuela to determine their fate."
Venezuela's communications minister said that arrested ex-colonel "confesses that U.S. officials were planning a military operation against Venezuela in 2019."
"It's convenient for them to let the country continue enduring this absurd crisis," an aid worker said.
By the end of February, a total of 29 tons of gold reserves will have been sent to the Middle East nation, according to a Reuters source.
"At this moment, there are police special forces in my house," self-declared national leader Juan Guaidó said as Venezuelan President Nicolás Maduro touted his military and spoke of a "coup d'état orchestrated by imperialism."
"The military's withdrawal of support from Maduro is crucial to enabling a change in government," Juan Guaidó said.
"Donald Trump has without doubt given an order to kill me and has told the government of Colombia and the Colombian mafia to kill me," the embattled South American leader said.
The State Department has already warned Americans not to travel to the country.
Venezuelan President Nicolás Maduro refused to submit to what he called "imperialist" international demands for a new election amid his power struggle with opposition leader Juan Guaidó.
President Donald Trump's son Eric Trump told Fox News host Sean Hannity that Democrats would turn America into crisis-hit Venezuela.
"The U.S. government has limited ability to provide emergency services to U.S. citizens" in the country, the advisory warned.