The incident happened near Whiterock Leisure Centre on Wednesday evening.
McAnulty suffered a bleed in her eye socket and was taken to a hospital emergency department for treatment.
Sinn Féin councillor Michael Donnelly posted details of the incident on Facebook and appealed to parents to speak to their children.
LONDON DAILY ARCHIVE
Elderly Woman Injured in Belfast Water Balloon Attack
An elderly woman, Frances McAnulty, was injured when a group of youths threw a water balloon at her family's car in west Belfast.
01 June 2023 · 02:50 UTC
