Food Safety Report: Greggs, London Gatwick Airport (LGW), Horley, Gatwick, UK 1 year ago • details 35 Suspected food poisoning. Symptoms: Nausea, Vomiting, Stomach Pain, Cramps, Chills, Headache Suspected source: Greggs sausage roll Onset: Less than 4 hours Duration: 12 to 24 hours Sick: Me