Bomb explodes in mailbox on La Canada Road in Fallbrook

FALLBROOK - Authorities are investigating a small explosion inside a mail box outside a Fallbrook home over the weekend.

The explosion, which occurred Sunday afternoon in the 4300 block of La Canada Road, was mostly likely the result of a small acid bomb made using a 16-ounce water bottle, according to San Diego County Sheriff's Sgt. Darryl Kimball.

No one was hurt, he said.

The resident reported the explosion at 2:46 p.m., saying that someone in a small silver Nissan pickup may have been involved. A sheriff's helicopter crew spotted a vehicle matching the caller's description a short time lat...