SilkAir - a subsdiary of Singapore Airlines Limited - a subsidiary of Singapore Airlines Group - a member of Star Alliance - had to fly one Singaporean on an otherwise empty plane back to Singapore from Chiang Mai, Thailand as the Thai authorities turned him back after being suspicious of him having Severe Acute Respiratory Syndrome (SARS).
However, on returning, a series of tests revealed he did not have SARS. "They had a doctor at Chiang Mai examine him and he said it was unlikely that he was having SARS. But the authorities did not allow him entry so it was the responsibility of the airline to bring the passenger back," said a SilkAir spokeswoman. She also added that the man had a high temperature on arrival at Chiang Mai.
Passengers at Chiang Mai were flown to Bangkok on Thai Airways International and then transferred on a Singapore Airlines flight to Singapore.
Reuters describes the scenario as an "expensive false alarm".
More information at the Reuters Alernet website