Jet crash lands at San Francisco airport

A Boeing 777 aircraft has crash landed at San Francisco international airport.

There is no word so far on any casualties. The aircraft – operated by the South Korean airline Asiana – is on the runway, with plumes of smoke rising from it.

Pictures posted on Twitter show passengers jumping down the inflatable emergency slides and leaving the scene.

Firefighters and rescue teams are at the scene. The cause of the emergency is not known.
-bbc