25 across
Prime
minister’s
note
opened
by
billionaire
(6)
Prime minister’s note opened by billionaire (6)
hints
0
checks
0
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The definition is at the beginning of the clue.
How the clue works
The Prime minister here is Giorgia Meloni of Italy. Take the musical note MI and open it up (split it) to insert the billionaire ELON (Musk), giving M-ELON-I, which reads as MELONI.