A man is in police custody after being arrested on suspicion of attempted murder following an incident in Yatton.
Police and paramedics were called to the Henley Lane area of the village at about 3pm on Saturday after a man and a woman, both in their 60s, were found with serious injuries at an address. They both remain in hospital.
A 33-year-old man was arrested in the Kewstoke area overnight.
Chief Inspector Jess Aston said: “Our investigation is at an early stage, but at this time we believe this to be an isolated incident.
“Although there is not believed to be a heightened risk to public safety, people can expect to see an increased high-visibility presence in the area over the coming days with additional reassurance patrols planned.
“We’d urge anyone concerned about what has happened this weekend to speak with one of those officers on patrol and they will happy to talk to you. Alternatively, the local team can be contacted through our website as normal.”
Enquiries into what happened are continuing and any witnesses who could assist the police investigation are asked to contact them through the Avon & Somerset website or call 101 and give reference number 5221076615.