San Francisco Asiana Airlines crash: 'Plane was out of control'

An Asiana Airlines plane which crash landed in San Francisco was "out of control," an eyewitness has said.

Asiana flight 214 had 292 passengers and 16 crew on board. There is no word so far on casualties.

Ki Siadatan, who lives close to the airport, told BBC News that as the plane approached the runway, he heard a loud "boom.''