A British Airways flight was forced to turn around because of a "smelly poo". The plane was heading from Heathrow to Dubai on Thursday - a seven-hour flight. Speaking to Radio 1's Greg James, Sarah, who works for the airline said: "When you're up at that altitude the cabin has to be pressurised so the problem is that anything like that is actually a health and safety problem because only 50 percent of the air is being recycled and cleaned." In a statement, BA said: "A decision was taken to return for the safety and comfort of our customers on board. "We're very sorry for the discomfort to our customers.