Who ever knew the good news would be shoddy engineering?
http://hosted.ap.org/dynamic/stories/R/RUSSIA_SUBWAY?SITE=7219&SECTION=HOME&TEMPLATE=DEFAULT&CTIME=2006-03-19-07-35-57
A bit more info here.
"Emergency Situations Ministry spokesman Viktor Beltsov said that a concrete section fell on a train, triggering a fire. There was no immediate information on casualties."