New Delhi, Nov. 26 -- Colombian president Gustavo Petro has alleged that the Donald Trump-led United States government's pressure tactics against Venezuela and its President Nicolas Maduro does not stem from concerns over drugs trafficking or democracy, but rather, the South American country's vast oil reserves.

Notably, the American military has increased activity in the Caribbean and the Pacific based on claims that it is fighting drugs flowing into the US from South America.

In an interview with CNN, Petro accused the US of imperialistic behaviour, adding that he believes the actions against Venezuela are in pursuit of the country's oil reserves - believed to be the largest in the world.

The report said that the US Department of Sta...