The FBI is helping investigate a threat to destroy the Sikh temple on Tierra Buena Road, Sutter County Sheriff Jim Denney said Tuesday.

Copies of the written threat were received in the mail by the sheriff, the Yuba City Police Department and the Appeal-Democrat....

Karen Ernst, FBI spokeswoman in Sacramento, said law enforcement agencies don't consider the threat credible but are not totally dismissing it....

The letter, which purports to be from the “Muslim Union” and is signed by the “Taliban group,” also contains a threat to destroy the Golden Temple in India because “our leader in India punish by sikh ladi judge.” [Link]