Family liaison officers are providing support to the family, with officers still working to understand the full circumstances.
Detective chief inspector Charlotte Whalley said: “Our thoughts remain with those affected by this tragic incident.
“We have stepped up our patrols of the local area, to provide reassurance to people that our investigation is continuing at a pace, and that we are there to listen to concerns and answer questions.
“We continue to appeal for any information; we advise anyone who witnessed this incident to please come forward, if they haven’t already done so.
“We are also interested in speaking to anyone who was in the surrounding area near to Barnard Road at around 11pm that night. If you have any dash cam, doorbell, or mobile phone footage, this could help us in piecing together what happened.
“Anyone with information should contact police on 101 quoting reference number 3371 of 18/08/2024 or the independent charity Crimestoppers, anonymously, on 0800 555 111.”