Donaghadee: a woman has now been arrested as police continue their investigation into the murder of Sarah Montgomery
A 28-year-old man remains in custody on suspicion of the murder of the pregnant mother of two
Last updated 30th Jun 2025
A woman has been arrested by police probing the murder of pregnant mother of two Sarah Montgomery in Donaghadee.
The 42-year-old woman was arrested in Belfast earlier today (Monday) on suspicion of assisting an offender. She remains in custody assisting the PSNI with their inquiries.
A 28-year-old man who was arrested on suspicion of murder over the weekend, remains in police custody.
Police said "both suspects were known to the victim and at present, no-one else is being sought in connection with the crime. "
Police continue to appeal to the public for help with the investigation.
Detective Chief Inspector Tom Phillips said “We are working at pace to determine the circumstances of Sarah’s tragic murder and need help from people in the Donaghadee and Belfast areas.
“Did you see or hear anything unusual or suspicious in the Elmfield Walk area of Donaghadee between 1.20pm and 2.20pm on Friday 27th July?
“Did you see a yellow Jeep Avenger in the Airport Road area of the Belfast Harbour Estate, East Belfast between 3.30pm and 4.15pm on Friday 27th July? Do you have CCTV, dashcam or phone footage which could be useful in our investigation?
“Even if you think it may not be important, please come forward and speak with us as even very small pieces of information could prove invaluable to us.
“This is an incredibly tragic case which has devastated Sarah’s family and friends, and leaves two small children without their beloved Mum.
“Specially trained officers will continue to support Sarah’s family and we are working to do everything in our power to bring anyone involved in this senseless murder to justice.
“If you know anything that will help with our investigation, please contact us on 101 quoting reference number 865 28/06/25.”
A report can also be made using the online reporting form via www.psni.police.uk/makeareport
Alternatively, information can also be provided to the independent charity Crimestoppers on 0800 555 111 or online at www.crimestoppers-uk.org which is 100% anonymous and gives people the power to speak up and stop crime.