Unofficial news of an escape (7)

I believe the answer is:

leakage

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'escape' is the definition.
(I know that escape can be written as leakage)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for leakage that I've seen before include "Unwanted escape (eg of water or information)" , "Percolation" , "Fluid which escapes" , "Accidental loss of fluid" , "Lake age (anag.)" .)

I've seen this clue in The Globe and Mail.

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