"It seems then that the party got out of control and police were called. My understanding from both the police and residents who I've spoken to is that the police got the situation under control very quickly, and handled it well."
A police spokesperson said officers responded to fighting on the street, rather than at an individual property.
Underage drinking was involved, Fitzsimons understood.
She said the way the teenagers behaved was unacceptable and dangerous.
"I think we were very lucky that serious injuries weren't sustained by people at the party or by the police."
A police spokesperson said there was no further information to add to previous statements made about the incident.