At least 30 cars damaged in Sydney rampage

Residents in Sydney's south have woken to find their car windows smashed and police say at least 30 vehicles parked in Penshurst streets were damaged.

Dozens of vehicles have been damaged in an early morning vandalism rampage in Sydney's south.

Residents in Penshurst woke at around 3am on Sunday to find a number of cars with smashed windows.

At least 30 vehicles parked on Kuroki, Judd, Alexandria and Laycock streets were damaged, NSW police say.