Chico Police and firefighters responded to the Golden 1 Credit Union Friday afternoon after a worker found a suspicious letter.
It happened around 2:30 p.m. at the credit union at 239 W. 2nd Street.
Police told KRCR News Channel 7 a worker saw a puff of smoke come from a letter. They called 911.
Firefighters and police officers responded to investigate the suspicious letter.
Watch KRCR News Channel 7 for updates.