Tanked oil prices, the pandemic and U.S. sanctions take a toll on Venezuela

The collapse in global oil prices, along with the coronavirus and U.S. sanctions, is putting severe pressure on the Venezuelan government. 

The U.S. has insisted it will only lift its sanctions if President Maduro stands down and is replaced by a transition government. 

Maduro has accused Washington of "Wild West" politics. Stephen Gibbs reports on the latest developments.