The new measures come on top of a US blockade of oil to Cuba that has caused widespread blackouts and fuel shortages.

They target Cuban officials "responsible for repression and threats to US national security and foreign policy"

The US sanctions target people operating in broad sections of Cuban economy, including energy, defence and mining

The Cuban government has firmly rejected the recent sanctions levied by US President Donald Trump.

The new measures come on top of a US blockade of oil to Cuba that has caused widespread blackouts and fuel shortages.