Six police officers were injured during disturbances in the Easton area of Bristol to mark the death of Baroness Thatcher.
Avon & Somerset Police Chief Inspector Mark Jackson 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."
More top news
A new film celebrating life in Somerset will have its premiere in Taunton tonight. It was shot on film which was developed using cider.
A charity which was set up in memory of 17 year-old Lloyd Fouracre - who was killed on a night out - is celebrating its 10th anniversary.
A Royal Navy sailor from Gloucestershire is one of four men who's been accused of raping a woman in Canada after an ice hockey tournament.