A cry from Leo (3)

I believe the answer is:

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'a cry' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'from leo' is the wordplay.
'from' indicates anagramming the letters (from the letters).
'leo' is an anagram of 'OLE'.

Can you help me to learn more?

(Other definitions for ole that I've seen before include "Madrid exclamation" , "Spanish cheer" , "Hurray in Spain" , "Spanish hurrah!" , "Hurry in Spain" .)

I've seen this clue in the Evening Standard.

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