Turn and wildly cry out for information of pressing importance (7)

I believe the answer is:

urgency

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'pressing importance' is the definition.
(I've seen this in another clue)

I can't explain the remainder of the clue.

(Other definitions for urgency that I've seen before include "Need for immediate action" , "Drive, impulse" , "State of needing immediate action" , "Pressing need" , "Pressing importance requiring speedy action" .)

I've seen this clue in the Evening Standard.

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