Those all pulled out with arresting effect? (5)

I believe the answer is:

stops

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

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

Can you help me to learn more?

(Other definitions for stops that I've seen before include "Discontinues" , "Ends" , "Checks" , "Ceases" , "Posts (anag.)" .)

I've seen this clue in the Evening Standard.

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