A man has died and another has been left with serious injuries following a series of stabbings in Gloucestershire.
The two men and a woman were attacked during an incident in Walton Cardiff, near Tewkesbury, on Tuesday evening.
A man in his 50s has been arrested by police and remains in custody.
Officers said numerous members of the public intervened during the incident, and a police cordon remains in place.
Gloucestershire Police said it was not looking for anyone else in connection with the incident.
Detective Inspector Ben Lavender, from the Brunel Major Crime Investigation Team, said: "Our investigation is in the early stages and we're working hard to establish what has happened.
"We're in the process of speaking to numerous witnesses and those who helped at the scene of this serious incident.
"Anyone with information or anyone who has mobile phone footage relating to the incident and who hasn't already spoken to police in the area is asked to please contact us."