Published Thursday, 12 April 2012
Details have just emerged about the disorder. (© UTV)
A police woman was injured after the PSNI tried to restore calm.
The disorder broke out on Monday afternoon and involved up to 150 people.
David Hilditch, DUP MLA for East Antrim, told UTV the trouble broke out after a group of young people congregated in the Castle Green area.
He said local people were "disgusted" at the trouble.
"These people weren't associated with any band, any parade as such. They just chose Carrickfergus on the day as a location to head to.
"Obviously, because the parade was there, they thought that would be an excuse maybe to try and get their hands on alcohol and have what they deemed as a good day out."
He added that the violence overshadowed the parade which was "thoroughly enjoyed" by the families who attended the event.
Mr Hilditch said they would be now looking at adopting a zero-tolerance approach to alcohol consumption at future events.