Six people are now known to have died when a train derailed in Philadelphia on Tuesday night.
Dozens more were injured.
Our Washington correspondent Simon Marks reports.
IN: "Amtrak's train….."
OUT: SOC
DUR: 30 seconds
AIR: http://www.fsnradionews.com/feeds/0513train-sm-air.mp3
ARN: http://www.fsnradionews.com/feeds/0513train-sm-arn.mp3
FM4: http://www.fsnradionews.com/feeds/0513train-sm-fm4.mp3
G24: http://www.fsnradionews.com/feeds/0513train-sm-g24.mp3
ICRT: http://www.fsnradionews.com/feeds/0513train-sm-icrt.mp3
NIGERIA: http://www.fsnradionews.com/feeds/0513train-sm-von.mp3
RNZ: http://www.fsnradionews.com/feeds/0513train-sm-rnz.mp3
VATICAN: http://www.fsnradionews.com/feeds/0513train-sm-vat.mp3
ZIZ: http://www.fsnradionews.com/feeds/0513train-sm-ziz.mp3
GENERIC: http://www.fsnradionews.com/feeds/0513train-sm-generic.mp3