The incident happened at about 10pm at the Sportsman pub in Shinfield Road, Whitley, where the windows of a silver Ford Transit van were smashed using a metal pole.

Police are appealing to the public for any information about the altercation.

There are descriptions of some of the offenders: - White man with black hair and facial hair. He was of a large build and was about 45, wearing a black vest top.

- White man with black hair and of a large build. He was aged about 40 and was wearing a white vest top.

- White man with black hair and facial hair and of a large build. He was about 35 and was wearing a green vest top.

- White man with dark brown perm-like hair and brown facial hair. He was of a slim build and was about 25.

- White man with brown hair that was shorter on the sides and longer on the top. He was of a medium build.

There were also believed to be at least two women involved in the altercation. A number of the people involved are believed to have had Irish accents.

A 31-year-old man, a 34-year-old man and a 36-year-old man, all from Reading, were arrested in connection with the incident and were released on bail until Sunday, August 3.

Anyonewith information should contact investigating officer PC Thomas Wheatman on 101 or Crimestoppers anonymously on 0800 555111 or online at www.crimestoppers-uk.org