A firearm was brandished and threats were made to shoot a person during a large disturbance by young people in Glebe Park on Tuesday evening.

Police say the group dispersed, but that they were subsequently called to further disturbances involving young people at several locations across Civic, including City Walk, Tocumwal Lane, Cooyong Street and Bunda Street.

Any witnesses are urged to contact police on 1800 333000 or via the Crime Stoppers ACT website.

News all day, every day at CityNewsQBN.com.au.