SYDNEY : Dozens of people were rushed off a Qantas flight for medical treatment in Sydney on Thursday after a stomach bug struck mid-journey, triggering a mass vomiting episode. Qantas said a "number of passengers travelling in the same group on QF28 (between) Santiago and Sydney became unwell with a gastro intestinal illness" on the 14-hour journey to Australia. Media reports said between 20 and 30 passengers were vomiting as they disembarked in Sydney and were met by a fleet of ambulances.