Attention-seeking assault? (8)

I believe the answer is:

striking

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'assault?' is the definition.
The answer and definition can be both acts as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

I cannot understand how the remainder of the clue works.

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(Other definitions for striking that I've seen before include "Delivering a blow" , "going like the clappers?" , "not working" , "Attracting attention by reason of being unusual" , "Dramatically beautiful" .)

I've seen this clue in the Sydney Morning Herald.

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