Cuba is set to lose access to one of its main suppliers of oil after the Trump administration captured Venezuelan President Nicolás Maduro earlier this month.

U.S. diplomats recently warned the public that the U.S. Embassy in Havana “is unable to address any issues” related to “forced departure” from Cuba.

By Simon Lewis and Dave Sherwood WASHINGTON/HAVANA, Jan 15 - The U.S. State Department's top aid official on Thursday said Cuba's authorities must not interfere with a shipment of humanitarian aid to its people and suggested President Donald Trump could take action if Cuba does not comply.

Secretary of State Marco Rubio said Wednesday that the U.S. was sending the “first humanitarian shipment” to Cuba to help residents recovering from Hurricane Melissa. “We are working with the Catholic Church and partners to ensure aid reaches the Cuban people directly – not the illegitimate regime,

As Venezuelan oil shipments to Cuba collapse, Mexico has stepped up as the island's main supplier — though its support may be temporary under Washington's pressure.