Emergency crews have been called to Sydney Airport after reports of a white substance was found when luggage was being unloaded from an American Airlines plane after it touched down.
Five NSW Fire & Rescue trucks are going through security clearance at the international airport after receiving a call at 7.48am on Friday that "a substance was found in the hold", a spokesman told AAP.
The crews will liaise with the airport's fire crews and the Australian Border Force.
American Airlines flight 73 from Los Angeles landed in Sydney 7.15am.
Australian Associated Press