Warning comes as US threatens tariffs on any country that supplies oil to the Caribbean island.

The Mexican president warned of a major humanitarian crisis on the island, as the state-owned Mexican oil company has not delivered shipments to Havana since January 9.

Per la carenza di petrolio in seguito allo stop delle forniture dal Venezuela. Guterres preoccupato: 'Le sanzioni Usa aggravano crisi e blackout' (ANSA)

Warning comes as US threatens tariffs on any country that supplies oil to the Caribbean island.

The shortage has led to blackouts across the Caribbean nation.

HAVANA: Cuba detailed a wide-ranging plan on Friday to protect essential services and ration fuel as the communist-run government dug in its heels in defiance of a US effort to…