Crossword Genius

Unlucky about the last of Labour extremists (10)

Ross

I believe the answer is:

hardliners

'extremists' is the definition.
(I know this)

'unlucky about the last of labour' is the wordplay.
'unlucky' becomes 'hard lines' (both might be said to express sympathy).
'about' indicates putting letters inside.
'the last of' says to take the final letters.
The last letter of 'labour' is 'r'.
'hardlines' enclosing 'r' is 'HARDLINERS'.

(Another definition for hardliners that I've seen is " Uncompromising types".)

I've seen this clue in The Telegraph.
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