Police have arrested a 21-year-old after a terrifying disturbance for shoppers in Sydney's west.
Officers were called to Westfield Mt Druitt shopping centre after a man ran through the shopping centre allegedly armed with a knife just after 2pm today.
Footage from the food court shows police surrounding a suspect on the ground with a weapon visible at their feet.
READ MORE: Prime Minister rejects plea from Bondi shooting victims' families
READ MORE: Legionnaires' disease outbreak in Sydney CBD grows
Police received reports a man left a Willmot unit block carrying weapons at about 1pm.
Half an hour later they tried to stop a car then found it in the shopping centre carpark.
A 21-year-old is now in custody at Mount Druitt Police Station.
DOWNLOAD THE 9NEWS APP: Stay across all the latest in breaking news, sport, politics and the weather via our news app and get notifications sent straight to your smartphone. Available on the Apple App Store and Google Play.