Crossword Genius

A number also being worried about multiple firings (5)

Ross

I believe the answer is:

salvo

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'a number also being worried about multiple firings' is the definition.
I can't tell whether this defines the answer.

'a number also being worried about' is the wordplay.
'a number' becomes 'v' (V is an example).
'being worried' is an anagram indicator (worry can mean to interfere with or disturb).
'about' indicates putting letters inside.
'also' is an anagram of 'salo'.
'v' put into 'salo' is 'SALVO'.

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(Other definitions for salvo that I've seen before include "What comes across" , "Firing of guns as a salute" , "Burst of artillery shots" , "Sudden round of applause" , "Burst of fire from several guns" .)

I've seen this clue in the Evening Standard.
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