Mona Vale residents are being drawn into a broader police campaign aimed at preventing dangerous behaviour around moving vehicles. While recent reports have centred on neighbouring suburbs, police say concerns about youth gatherings and anti-social behaviour have surfaced across parts of the northern beaches, including Mona Vale.
Police Respond to Reports Across the Northern Beaches
Local police are cracking down on a dangerous trend of youths throwing eggs, rocks, and water balloons at moving vehicles, warning that the behavior is a serious crime, not a harmless prank.
The warning follows months of growing community concern regarding large groups of teenagers gathering around skate parks, shopping precincts, and popular local hangouts during evening hours.
Northern Beaches Police Area Command Superintendent John Duncan stated that officers are currently investigating multiple reports, with a heavy focus on community awareness and prevention.
The Real Danger: Crashes and Confrontations
Police emphasise that the risk extends far beyond minor property damage. The primary danger is the unpredictable reaction of a startled driver. A sudden swerve, harsh braking, or temporary loss of concentration can easily trigger a serious crash involving other motorists, cyclists, or pedestrians.
Furthermore, authorities reported several volatile incidents where drivers stopped their cars after being hit, leading to direct confrontations between motorists and groups of young people.
A Call to Parents and Witnesses
With investigations ongoing, Northern Beaches Police are urging parents to step in and have serious conversations with their children about the severe legal penalties and physical consequences of these actions.
Can you help? Police are asking anyone with CCTV or dashcam footage of these incidents to contact local authorities immediately.
Published 15-June-2026
