Dogs give assailant trouble (9)

I believe the answer is:

alsatians

'dogs' is the definition.
(alsatian is a kind of dog)

'assailant trouble' is the wordplay.
'trouble' indicates anagramming the letters.
'assailant' is an anagram of 'ALSATIANS'.

'give' is the link.

(Another definition for alsatians that I've seen is " AA instals strange dogs".)

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

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