A man allegedly ran through a major Westfield shopping centre armed with a knife before he was arrested by police in dramatic scenes.

Dramatic scenes have unfolded at a major Sydney shopping centre after a man allegedly armed with a knife ran through the shopping centre.

The man was eventually arrested in the food court at Westfield Mt Druitt after police

responded to reports a man was seen leaving a unit block with weapons on Reliance Crescent at Willmot about 1pm on Monday.

Officers tried to stop him in a vehicle on Close Place at Hebersham about five minutes later but it failed to stop.

Police initiated a pursuit but called it off due to safety concerns.

Dramatic scenes unfolded at Westfield Mount Druitt after a man allegedly armed with a knife ran through the shopping centre.Picture: 9News

Police arrested a 21-year-old man in the shopping centre’s food court.Picture: 9News

The alleged knifeman’s car was tracked to the Westfield Mt Druitt’s rooftop carpark.Picture: 9News
Officers located the vehicle at the Westfield Mount Druitt car park with help from the police helicopter.

The 21-year-old driver was found and arrested inside Westfield and was taken to the Mount Druitt Police Station.

Footage from the food court shows police surrounding a suspect on the ground with a weapon visible at their feet.

Police are continuing their investigation.