Much of the Eastern U.S. braced for a renewed round of harsh, soggy weather on Saturday, with thunderstorms and melting snow combining to pound the Ohio and Tennessee valleys.

Heavy rain is falling across Southern California, creating deluges of water and mud on roads at the bottom of hillsides left barren by recent wildfires.

Officials say the two biggest wildfires ravaging the Los Angeles area this week have burned at least 10,000 homes, buildings and other structures.

Seven of nine Los Angeles firefighters injured when a truck’s fuel tank exploded have been released from a hospital.

(AP Photo/Mark J. Terrill)LOS ANGELES Police and fire investigators launched a criminal probe Sunday into the cause of an explosion at a hash oil manufacturer in downtown Los Angeles that sent firefighters running for their lives. Mayday mayday mayday! Mayday mayday mayday! another shouted. Things could have been so much worse, said Los Angeles Fire Department Medical Director Dr. Marc Eckstein, who helped treat the injured at Los Angeles County-University of Southern California Medical Center. ___Associated Press writers Michael Blood and Christopher Weber in Los Angeles and Daisy Nguyen in San Francisco contributed to this report.