Pompeo's latest attack came as the Russian military vowed to continue supporting President Nicolas Maduro's forces.
Vladimir Padrino Lopez refused to back the uprising and has remained loyal to President Nicolas Maduro.
U.S. president reportedly unhappy with how chaos in Caracas played out.
President Donald Trump frequently reminds us that "all options are on the table" in enforcing U.S. policy, could that lead to war in Iran, North Korea, Syria, Ukraine or Venezuela?
The number of Venezuelan refugees represents around 12.5 percent of the national population and is double the size of the population of Caracas.
The director of the foreign ministry's Latin American department said Russian specialists would be sent to Venezuela if requested.
Donald Trump claimed that Russia had withdrawn "their people" from Venezuela.
Venezuelan President Nicolás Maduro said the talks had a "peaceful agenda," but national security adviser John Bolton said "his exit" was "the only real solution."
Venezuelan opposition leader Juan Guaidó's U.S. envoy "welcomes the support of the United States and confirms our government's willingness to begin discussions regarding the cooperation that has been offered."
The Florida senator says U.S. military action in Venezuela is "always" an option, citing the unstable presence of drug cartels, Marxist militant organizations and "hundreds" of Russian military advisers in the South American nation.
The president is reportedly frustrated with national security adviser John Bolton's overconfidence about toppling Venezuela's President Nicolás Maduro.
Russia and its Syrian ally have escalated their campaign against insurgent-held Idlib at a time when the U.S. was preoccupied with threatening new wars against Iran and Venezuela.
"The U.S. government has the incentive to say the things they said whether or not they're true," coup expert Naunihal Singh said.
Venezuela's top diplomat said Moscow may send more military personnel to the leftist-led Latin American country as his U.S. and Russian counterparts discussed the crisis.
The Colombia guerrilla group ENL has close ties to the Maduro regime in Venezuela.
Trump said Putin was "not looking at all to get involved in Venezuela, other than he'd like to see something positive happen."
Iran and Venezuela's shared hostility toward the U.S. is rooted in its attempts at regime change.
The White House said President Donald Trump and Russian President Vladimir Putin had a "very positive" conversation as tensions between their countries reached a historic high.
Will we stand by, as we did in Hungary, or intervene if forces loyal to Maduro begin arresting and executing people en masse?
Russian Foreign Minister Sergey Lavrov said he would rally states for "the protection of the basic norms and principles of international law, the way they are enshrined in the U.N. Charter."
"Tell the Bolivarian government and Nicolas Maduro what is necessary to be changed," the Venezuelan leader said.
White House national security adviser John Bolton has pushed a hawkish foreign policy on a president who campaigned to stop costly, "endless wars" waged by the U.S.
Syria, itself the target of U.S. intervention, warned, "The failure of the coup attempt represents a strong blow to the American administration and an abject failure for its policies."
White House national security adviser John Bolton praised the head of U.S. Southern Command, who said troops were "on the balls of our feet" to take action in Venezuela.
McCarthy claimed that health care and college tuition reform risk collapsing the U.S. economy.
Secretary of State Mike Pompeo claimed Venezuelan President Nicolás Maduro "had an airplane on the tarmac" but changed his mind on the advice of Russia.
Top members of President Donald Trump's administration welcomed an uprising against Venezuelan President Nicolás Maduro, but the socialist leader's supporters condemned it.
The White House national security adviser claimed three top Venezuelan officials have defected, but none have announced a switch.
"Are we gonna be a hemisphere dominated by China, Russia and dictators?" GOP Representative Adam Kinzinger asked. "Or are we going to be a hemisphere dominated by freedom and democracy?"
Venezuela's Bolivarian National Guard clashed with opposition forces in what appeared to be the greatest challenge to President Nicolás Maduro's ruling United Socialist Party since a previous coup attempt in 2002.