The National Transportation Safety Board has begun its investigation.
The NTSB has recovered both flight data recorders or "black boxes," reports say.
Officials hope that information gathered from the recorders and the crash site will help solve the mystery surrounding the crash of a Boeing 777 on Saturday at San Francisco International Airport.
Nothing, including pilot error has been ruled out as the cause of the crash.
The crash left two dead and dozens injured. The two deceased are 16-year-old girls from China, Asiana Airlines officials said.
UPDATE as of 5:50 p.m.
Only one person of 307 is unaccounted for in the Asiana Airlines Flight 214 Boeing 777 that crashed this morning, according to San Francisco Assistant Deputy Fire Chief Dale Carnes. The numbers break down as follows:
291 total passengers and 16 crewmembers for a total of 307 people onboard.
181 total passengers were taken to area hospitals. 49 were taken initially with serious injuries, while 132 were transported later or treated on the scene with moderate to minor injuries.
123 passengers are at San Francisco International Airport, uninjured.
2 passengers were announced dead on arrival.
1 is still unaccounted for.
UPDATE as of 4:30 p.m.
According to San Francisco Fire Department Fire Chief Joanne Hayes-White there were 291 passengers aboard Asiana Airlines Flight 214. There were also 16 crewmembers onboard for a total of 307 on board.
Hayes-White said that 26 passengers were transported to San Francisco County Hospital and 22 were transported to San Mateo County Hospital. More than 60 are said to be injured. 108 passengers were considered "green," which means that they were considered uninjured and safe to be released.
Some passengers are still unaccounted for. And the situation has been called "fluid," by Hayes-White.
According to the FBI, there is no indication that this is a terrorist attack.
Weather conditions are being called clear for landing at this time.
Two of the four runways at San Francisco International Airport have been reopened.
Emergency crews are on the runway surrounding a passenger plane that crashed on landing at San Francisco International Airport. It appears the tail of the Asiana Airlines Boeing 777 arriving from South Korea broke off. Thick black plumes of smoke were seen from the wreckage, though it's not known if the plane was on fire before the crash landing. Most of the roof of the passenger cabin has burned away.
Reports are saying that at least 61 passengers on board flight 214 from Seoul were injured, and reports say that at least two people were killed. Ten are listed in critical condition at San Francisco General Hospital and Trauma Center.
All incoming and outgoing flights to San Francisco International Airport have been canceled for the time being. Flights are being diverted to Sacramento International Airport, among other locations.
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