A man has been arrested on suspicion of the murder of Sandra Boyd.
Sandra, 36, was shot in a Finglas house on Saturday evening.
The mother of four boys and a one-year-old girl was taken to the Mater Misericordiae University Hospital, but doctors were unable to save her.
Read more: Gardai probing if mum-of-five who died in Finglas shooting was 'killed by someone she knew'
Investigating gardai were said to be following a strong line of inquiry.
And officers swooped to arrest the man, in his late 20s, in the city this morning.
A short garda statement read: "This morning, Monday, 21st March 2022, investigating Gardaí arrested a man in the Dublin region on suspicion of murder.
"The man, aged in his late 20s, is currently detained at Finglas Garda Station under Section 50 of the Criminal Justice Act 2007.
"No further information is available at this time."
Read more: Finglas community in 'profound shock' after mum dies in hospital following shooting
Read more: Tributes flow for 'one of a kind' Finglas mother who died after last night's shooting
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