Jeremy Corbyn, the Labour leader, could attend Fidel Castro’s funeral while senior Government figures are expected to stay away.

Boris Johnson, the Foreign Secretary, is unlikely to attend, with Alan Duncan, the Foreign Office minister, expected to be sent instead to represent Britain at the event, The Telegraph understands.

In America, senior Republicans have demanded that Barack Obama stay at home. Newt Gingrich, the former speaker of the House and a Donald Trump confidant, said “under no circumstance” should President Obama or John Kerry, the Secretary of State, attend the Cuban leader’s funeral.