BREAKING: San Francisco Mayor Press Conference about Boeing 777 Asiana Airline Crash

San Francisco Mayor Ed Lee on plane crash: This is still a fluid and active scene; not everyone accounted for.
Asiana Flight 214 from Seoul was attempting to land at San Francisco International Airport when it crashed.
SAN FRANCISCO -- An Asiana Airlines flight from Seoul crashed on landing at San Francisco's airport Saturday, killing two people and forcing passengers to escape the aircraft using inflatable emergency exit slides. .

Fire Chief Joanne Hayes-White said two people were killed. Mayor Edwin Lee said not all passengers had been accounted for.

Hayes-White said at least 48 people had been hospitalized. San Francisco General Hospital spokeswoman Rachael Kagen said 10 people, two of them children, were being treated there for critical injuries.