Glints; triggers (6)

I believe the answer is:

sparks

I believe this clue is a double definition.

'glints' is the first definition.
(I know this)

'triggers' is the second definition.
(I know this)

(Other definitions for sparks that I've seen before include "Electricians (informal)" , "Momentary flashes of light" , "They fly from fire" , "Fiery particles emitted by fire" , "Electric discharges" .)

I've seen this clue in The Telegraph.

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