A major police operation is underway in the Parramatta CBD as they investigate a suspicious package found in the area.
“A police operation is currently underway at the intersection of Argyle and Church Streets, Parramatta," said NSW Police.
"Motorists are being advised to avoid the area.
No further information is available at this time.”
A number of shops and restaurants in Westfield have been evacuated with an exclusion zone in place.
The bus interchange is closed while train passengers can expect delays.