Maduro says the real reason for Trump’s Venezuela fixation is oil – is he right?

The South American country facing a huge US military buildup has almost a fifth of known global reserves

• Visual guide to US military presence in the Caribbean

Venezuela's dictator, Nicolas Maduro, says the real motive behind the massive US military buildup in the Caribbean is oil: his country has the largest proven reserves in the world.

The US state department denies this, insisting that the airstrikes on boats that have killed more than 80 people and the vast military deployment off South America are part of a campaign against drug trafficking.