S Korean Boeing 777 crashes at San Francisco airport

An Asiana Airlines flight from Seoul,South Korea,crashed while landing at San Francisco International Airport on Saturday,forcing passengers to jump down the emergency inflatable slides to safety. It was not immediately known whether there were any injuries.

The Boeing 777 was supposed to land on runway 28 left at the airport,said Federal Aviation Administration spokeswoman Laura Brown. She said the sequence of events was still unclear,but it appeared the plane landed and then crashed.

A video clip posted to YouTube shows smoke coming from a silver-colored jet on the tarmac. Passengers could be seen jumping down the inflatable emergency slides. TV footage showed debris strewn about the tarmac and pieces of the plane lying on the runway.

The 777-200 is a long-range plane from Boeing. The airlines website says its 777s can carry between 246 and 300 passengers.