. Venezuelan opposition leader Juan Guaidó calls for an escalation of President Nicolás Maduro's renunciation of power.
Mr Guaidó called on civil servants to act on Thursday, saying that the interruptions would lead to a general strike.
One woman was killed and dozens injured when protesters and security forces clashed in Caracas on Wednesday.
However, Mr. Maduro refused to flee and accused the US of carrying out a coup.
The participants He will be punished, he said.
Tensions between the USA and Russia are increasing even during the crisis.
US Secretary of State Mike Pompeo said the US could take military action to solve the crisis and blame Russia and Cuba for destabilizing the country through their support for Mr Maduro.
Russian Foreign Minister Sergei Lavrov told Mr Pompeo that America's influence on Venezuela is destructive and in violation of international law.
Mr. Guaidó became interim head of Venezuela in January and has been recognized by more than 50 countries, including the US, UK and most in Latin America.
But Mr. Maduro ̵
How important is Guaidó's latest move?
Guaidó said in a series of tweets (in Spanish) that the final phase of "Operation Liberty" has begun and that public workers are taking their turn.
He urged the demonstrators to stay on the streets until the government of Maduro was finally forced to resign.
Guaidó has been courting the public sector for weeks – but support from the BBC will be difficult America's editor Candace Piette says.
For years, government officials have been told they would lose their jobs if they did not turn up at government rallies.
So, when the opposition leader wins, it's a big win over President Maduro, says our editor.
On Wednesday, both pro-government and anti-government supporters held major demonstrations.
Both were peaceful at first, but there were reports of gunfire in the city. Later Wednesday, a local NGO, the Venezuelan Observatory on Social Conflicts, said a 27-year-old woman had been shot dead during a rally in the opposition fortress of Altamira.
At least 46 people were injured during the conflicts. 19659013] How did the "coup attempt" develop?
On Tuesday, Mr. Guaidó published a video in which he was shown with several men in military uniform. He said he has the support of "brave soldiers" in Caracas.
He urged the Venezuelans to join them on the street, appearing together with another opposition leader, Leopoldo López, who has been under house arrest since 2014.
Supporters On both sides Caracas gathered all day long, and clashes took place between followers of Mr. Guaidó and armed military vehicles.