India, June 24 -- At least five passengers on board an Air India flight from London to Mumbai fell ill on Monday. According to a Times of India report, multiple passengers began to experience symptoms of food poisoning - including nausea and dizziness - on board flight AI 130.

TOI earlier reported that 11 people, including six cabin crew members, fell ill on the flight. The airline confirmed the incident but told the publication that five passengers and two crew members took ill.

The cause of the incident is under investigation. A source said that cabin depressurization can cause similar symptoms, but in this case, food poisoning seems to be the most likely culprit. The source said that depressurization can cause oxygen levels to fluctu...