Watch | One year after AI-171 crash: Grief remains as questions linger

One year after the crash of Air India Flight AI-171, India is remembering the 260 people who lost their lives in one of the country's deadliest aviation disasters. Preliminary findings indicated that the aircraft's fuel control switches moved to the cut-off position shortly before impact, disrupting fuel supply to both engines. However, investigators have not determined whether the switch movement was caused by human action, a technical malfunction, or another factor. With technical analysis sti