Crossword Genius

Threatened Russian Leader with uncertainty (3,2,8)

Ross

I believe the answer is:

put in jeopardy

I'm a little stuck... Click here to teach me more about this clue!

'threatened russian' is the definition.
I know nothing about this answer so I can't tell whether it can be defined by this definition.

'leader with uncertainty' is the wordplay.
I cannot quite understand how this works, but
'leader' could be 'putin' (I have seen 'Russian leader' mean 'putin' so perhaps 'leader' could also mean 'putin') and 'putin' is found in the answer.
The remaining letters 'jeopardy' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

Can you help me to learn more?

I've seen this clue in the Irish Times (Crosaire) and the Irish Times.
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