Fears are growing that Donald Trump may be preparing for military action in Cuba once his war in Iran comes to an end, as Havana’s top officials blasted US threats as an “international crime” on Wednesday. For months, the US president has been clear in his intentions with the Caribbean island. “I do believe I’ll have the honour of taking Cuba,” he told reporters in March. “That would be good… I think I can do anything I want with it.” Last Friday, after imposing a fresh round of sanctions on the Havana government , Trump went on to say the US would be taking over Cuba “almost immediately”. Havana has responded forcefully to the threats from Washington, accusing it of “economic warfare” and saying suggestions that Washington could “liberate” Cuba were cynical and hypocritical.…