Police said the incident happened at around 6.20am on Baildon Road and the victims, who are also in their 30s, remain in a serious but stable condition in hospital. An Avon and Somerset Police spokesperson said: “Increased patrols are taking place in the area following the incident, and residents are invited to speak to officers about any concerns they may have. “We understand some members of the community will be concerned about the events of the last 24 hours, but those involved are known to each other and we do not believe there to be any wider threat to the public.”Anybody with information, CCTV, or doorbell or dashcam footage in the moments building up to or immediately after the incident have been urged to call 101 quoting the reference number 5225266293, or complete an online appeals form. You can contact the independent charity Crimestoppers 100 per cent anonymously on 0800 555 111 or via their Anonymous Online Form. No personal details are taken, information cannot be traced or recorded and you will not go to court or have to speak to police when contacting Crimestoppers.