UN warns of humanitarian collapse in Cuba as US seeks to block oil supplies Warning comes as US threatens tariffs on any country that supplies oil to the Caribbean island.Share this: Venezuela and Mexico: How Trump is trying to choke Cuba’s oil suppliesDateJanuary 28, 2026In relation toAl-JazeeraSlovakia halts emergency power supplies to Ukraine over Russian oil disputeDateFebruary 23, 2026In relation toAl-JazeeraTrump threatens to hit Iran harder if it blocks energy suppliesDateMarch 9, 2026In relation toAl-Jazeera