An emergency is unfolding at Sydney Airport, where a Pacific Blue 737 aircraft is at the centre of a bomb scare. It's understood a bomb threat was made against the plane. The threat was believed to have come from the Philippines.The flight from Nadi in Fiji has been isolated on a runway and is being evacuated. Police have arrived at the airport to carry out a search of the plane.
The airport's east-west runway has been shut down and all other aircraft have been moved away from the area.