Crossword Genius

Gone up to reset siren (5)

Ross

I believe the answer is:

risen

'gone up' is the definition.
(rising is a kind of going up)

'reset siren' is the wordplay.
'reset' indicates anagramming the letters.
'siren' is an anagram of 'RISEN'.

'to' acts as a link.

(Other definitions for risen that I've seen before include "Above the horizon" , "Ascended - revolted" , "Ascended - restored from death" , "Increased" , "Proved" .)

I've seen this clue in The Mirror.
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