Six police officers were injured when a scuffle broke out at a party in Bristol celebrating the death of Margaret Thatcher.
Police were called to Chelsea Road in the Easton area of the city during the early hours of today where 200 people had gathered.
One officer remains in hospital and one person was arrested for violent disorder.
Chief Inspector Mark Jackson, of Avon and Somerset Police, said: "We were called to Chelsea Road, Easton at around 12.30am today.
"Around 200 people had gathered to have a street party and refused police requests to peacefully disperse.
"Bottles and cans were thrown at officers, six of whom suffered injuries. One remains in hospital.
"A police vehicle was damaged and one person was arrested for violent disorder.
"Some small bin fires were also started and the fire service also attended."