Strike possibility put at risk (8)

I believe the answer is:

threaten

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'put at risk' is the definition.
(I've seen this before)

I can't explain the remainder of the clue.

(Other definitions for threaten that I've seen before include "Be menacing" , "Impend, portend" , "State an intention to harm" , "Warn of violence" , "Bully" .)

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

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