Investigators are considering an array of possible ignition sources for the huge fires that have killed at least 11 people ...

So far there has been no official indication of arson in either blaze, and utility lines have not yet been identified as a ...

Investigators are considering an array of possible ignition sources for the huge fires that have killed at least 16 people ...

While lightning is the most common source of fires in the U.S., according to the National Fire Protection Association ... has investigated large fires in California including the Oakland Hills ...

John Lentini, owner of Scientific Fire Analysis in Florida, who has investigated large fires in California including ... U.S., according to the National Fire Protection Association, investigators ...