A passenger on Asiana Airlines Flight 214 who survived the plane crash today shared a shocking account of the incident on Twitter as the death toll rose to 2 on Saturday.

At least two people are believed to be dead and forty injured, including 10 in serious condition, two of them children.

David Eun was one of the 292 passengers and 16 crew members on board of the Asiana flight traveling from Seoul's Incheon Airport to San Francisco. He posted pictures of the plane after the crash and said the tail of the plane ripped off.

"I just crash landed at SFO. Tail ripped off. Most everyone seems fine. I'm ok. Surreal..." he wrote on Twitter at around 1 p.m. local time.

"Fire and rescue people are all over the place. They're evacuating the injured. Haven't felt this way since 9/11," he added.

People who witnessed the crash spoke to the media about the horrific incident.

Kristina Stapchuck, who was seating on a plane on the airport told CNN that soon after Flight 214 touched down "it looked like the tires slipped a little bit and it rocked back." She described how "it all happened so suddenly" as parts of the aircraft started to break off as it rocked and then began to spin.

Anthony Castorani, who witnessed the crash from a nearby hotel told CNN:

"You heard a pop and you immediately saw a large, brief fireball that came out from underneath the aircraft,"

"At that moment, you could see that that aircraft was again starting to lift and it began to cartwheel ... You could see the tail immediately fly off of the aircraft," he said.

Isabella Lacaze who saw the crash from the San Francisco Airport Marriott Waterfront described the scene to The New York Times :

"I looked up out the window and saw the plane coming in extremely fast and incredibly heavy." She said the plane clipped something as it touched down "And then it hit one of the planes that was already on the runway."

"I remember watching the nose go to the ground and the tail way up in the air and then the tail back to ground hard," she told The New York Times. She recalls that at that moment the tail snapped off.

"The smoke was not bad at all at first," she told the Times. "It was like one cloud. It took maybe a minute or two for the chutes to come out of the side," she said and people began to pour out almost immediately.

This was the first crash in the United States since February 2009.

A spokeswoman for San Francisco General Hospital told the Chronicle that 40 people had been badly injured. Ten of them were in critical condition including two children.