   From this wreckage on a Korean runway, all 160 passengers and
crew escaped  SEOUL (AFP) - A Korean Airlines (KAL) Airbus A-300
careered off the runway and exploded in a fireball after trying
to land on the island of Cheju yesterday, but all 160 aboard
escaped without serious injury.  KAL and the 152 dazed but
grateful passengers praised the heroism of the cabin crew,
including five flight attendants who quelled panic and pushed
passengers one by one from the burning plane just seconds before
the whole fuselage exploded.  Witnesses said the crew marshalled
all the passengers and had them chanting in unison, 'Keep order]
One by one] Keep order] One by one]' as they pushed them down
the escape chutes through the smoke and into the rain.  In the
eight-minute drama, a steward, Kim Jae Jung, was the last to
leave. He checked the inside of the plane to make sure all were
safely out, then leapt through the flames, shouting 'No more
passengers,' witnesses said.  The crash occurred shortly after
11am when the Canadi