Cambridge street violence: Four held
Two 15-year-old boys and two men have been arrested on suspicion of violent disorder after disturbances in Cambridge on Tuesday.
A group of 30 to 40 youths gathered on Midsummer Common at 23:35 BST and made their way towards the Grafton Centre.
Rubbish was thrown at police and two officers suffered minor injuries during the incident.
Four men, aged 18, 19, 20 and 28 and a boy, 16, were arrested on Wednesday and bailed until next month.
Police issued a CCTV image of a man they wish to speak to in connection with the incident.