FILE - In this Oct. 18, 2017 file photo, a Pacific Gas & Electric crew work on replacing poles in Glen Ellen, Calif. A report says California utilities have delayed efforts for nearly a decade to map where power lines pose the greatest wildfire risk. The report Sunday, Oct. 22, in The Mercury News comes as the state investigates whether downed power lines owned by Pacific Gas & Electric Co. sparked the deadliest wildfires in California history. (AP Photo/Ben Margot, File)
Uprooted trees and downed power lines: state regulators have released preliminary reports from PG&E of at least 20 cases involving those two issues the night the fires began on October 8th. Cal Fire is still investigating the cause of the fires. Meanwhile, more than 100 lawsuits have been filed against the utility company by fire victims in the North Bay. PG&E is conducting its own investigation