A Gloucestershire man aged in his 50s arrested on suspicion of murder remains in police custody today.
Police have been granted a further 24 hours to question the man in custody after an extension was granted this morning by a district judge at magistrates court.
The man aged in his 40s who suffered multiple stab wounds remains at Southmead Hospital in Bristol in a critical but stable condition.
Detective Inspector Ben Lavender said: "The investigation is fast-paced and extensive and we've been speaking to numerous witnesses and gathering footage of this horrific incident.
"I would like to take a moment to thank the local community for their continued support and cooperation throughout what is an extremely traumatic time for everyone involved.
"These events will have undoubtedly caused widespread upset and hurt and I would urge anyone who has been impacted by what has taken place to please seek support."
If you have been affected by crime, you can get support from Victim Support by calling the local victim care team in Gloucestershire on 0808 281 0112 if you are over 18, or 0808 281 2446 if you are under 18 years of age. Lines are open 9am-8pm Monday to Friday.
If you need support outside of these hours, call the Supportline for free on 0808 1689 111.
More information is available here: https://www.victimsupport.org.uk/resources/gloucestershire/ and www.ygtglos.org.uk.