Emergency services have been called to King Georges Road, South Hurstville, following reports of a suspicious package.
A police operation has commenced and traffic diversions are in place.
King Georges Road is closed in both directions at Connells Point Road.
Northbound motorists are being diverted at Connells Point Road and southbound motorists are being diverted at Joffre Street.
Traffic is heavy in the area with significant delays being experienced.
Additionally, buses in the area are delayed up to 20 minutes.