Leading tech executives returning from South Korea, where Sheryl Sandberg was promoting her book "Lean In," were stunned as a plane on its way back from the event crash landed in San Francisco.
Samsung's David Eun tweeted the harrowing news of the plane crash and said he was hit with memories of September 11, 2001.
Sandberg shared that she was originally scheduled to be on the plane that crashed.
Joe Green, who founded FWD.us, along with Mark Zuckerberg, to lobby for immigration reform, was at the airport sharing photos of the accident.
According to Doug Sovern with KCBS radio, 303 people were aboard Asiana 214, including 291 passengers and 12 crew. San Francisco General Hospital is receiving many of the injured, he says.