Another teenager has been arrested in connection with a 'large-scale' fight at the La Mare de Carteret playing fields on Sunday evening.
Guernsey Police said around 200 young people were involved, with one person confirmed to have been taken to the Princess Elizabeth Hospital to have their injuries treated.
A 21-year-old man and a teenager were arrested at the time.
After officers broke up the initial disorder, Guernsey Police had to 'deploy additional resources to the area' as a number of smaller incidents were ongoing.
A Police spokesperson says officers are continuing to investigate what went on:
"Anyone who witnessed what happened - particularly those who may have domestic CCTV or dashcam footage of the incident itself, or the small scale incidents which occurred in the area following the police’s arrival - is asked to get in touch with the Investigation Support Unit (ISU) on 01481 222222."
Les Vardes to increase Guernsey's water storage capacity
150 tonnes of food waste going to landfill in Guernsey
Bed blocking leads to longer surgical waiting times in Guernsey
Seasonal beach restrictions for dogs and horses begin again in Guernsey
Occupation artefacts feature on new Guernsey stamp series
Let wildflowers grow: CI gardeners key to pollinator recovery
Bergerac will return to Jersey for second series
Deputies warned that Guernsey's minimum wage is lagging behind Jersey's
