A Singapore Airlines (SIA) flight destined for Singapore was forced to return to San Francisco International Airport following an incident involving an “unruly” passenger. The flight, originally en route to Singapore, experienced the disruption which led to the decision to turn back. During the incident, the passenger reportedly sustained injuries. Upon landing back at San Francisco International Airport, the passenger was immediately met by local authorities and taken into their custody. The airline has not yet released details regarding the nature of the disturbance or the extent of the passenger’s injuries. This incident has caused disruption to passengers’ travel plans, and SIA is likely to cooperate fully with the ongoing investigation.