Juan Guaido appeared to be staging a military-backed challenge to President Nicolas Maduro,urging soldiers to join the final stage of"Operation Liberty".
Russian Ambassador rejected an assertion this week by US National Security Adviser John Bolton that the 1823 Monroe Doctrine is"alive and well."
The aid includes medical supplies and electricity generators,which will be distributed to hospitals around the country.
The move by the government-backed National Constituent Assembly on Tuesday paves the way for Juan Guaido's prosecution.
in Venezuela,Trump is facing his own redline moment,like Barack Obama did in Syria,and again,it'with Vladimir Putin of Russia.
Without electricity and,often,water,many Venezuelans took to balconies and building windows to bang pots in protest and shout curses at President Nicolas Maduro,
The humanitarian network can start distributing assistance to an estimated 650,000 people in the South American country in around 15 days.
Brazilian Foreign Minister said he hoped Russia would recognise that propping up President Nicolas Maduro would only hurt Venezuela more.
Flightradar24,a flight-tracking site,showed the flight path of what it listed as a Russian air force plane,apparently headed to Caracas across the Caribbean.
US President Donald Trump's national security adviser,John Bolton,said that the arrest of Juan Guaido's chief of staff"will not go unanswered".
President Nicolas Maduro has repeatedly changed his cabinet since taking office in 2013. Army officers now head the oil,interior and electricity ministries.