Chaos after April is stitched up (6)

I believe the answer is:

mayhem

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'chaos' is the definition.
(I've seen this before)

I can't explain the rest of the clue.

(Other definitions for mayhem that I've seen before include "Total chaos" , "Havoc, violent disturbance" , "Violent destruction of confusion" , "Chaos, confusion, destruction" , "Much trouble when" .)

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

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