Some citizens ignored flag (6)

I believe the answer is:

ensign

'flag' is the definition.
(I know that ensign is a type of flag)

'some citizens ignored' is the wordplay.
'some' says the answer is hidden in the clue (some parts of the word are used).
'ENSIGN' is hidden within 'citizens ignored'.

(Other definitions for ensign that I've seen before include "Low-ranking naval officer" , "Ship's flag and junior officer" , "that's flown" , "Soldier; standard" , "In British infantry, a colours bearer" .)

I've seen this clue in The Times.

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