By Michael Grabell, The Dallas Morning News Sep. 25--Lawyers for the victims of the Hurricane Rita bus fire have a new theory about what caused the 2005 inferno that killed 23 nursing home patients on their way to Dallas: a tiny wheel-bearings cap that they say was defective and leaked lubrication.

By Sudeep Reddy, The Dallas Morning News Feb. 22--WASHINGTON -- Ineffective government oversight of bus companies contributed to the explosion that killed 23 frail nursing home residents escaping from Hurricane Rita, federal safety officials said Wednesday.

WASHINGTON _ Ineffective government oversight of bus companies contributed to the explosion that killed 23 frail nursing home residents escaping from Hurricane Rita, federal safety officials said Wednesday.