(FOX40.COM) -- Nearly 50,000 fentanyl pills were discovered by a K9 during a traffic stop in San Joaquin County, according to the California Highway Patrol. • Video Above: What do the different "schedules" of drugs mean?

CHP announced on Friday that multiple suspects were arrested after a significant drug bust.

"K9 Hanks does it again," CHP said on social media. "This powerful seizure means thousands of potentially deadly doses will never reach our communities."

The circumstances behind the fentanyl pills, traffic stop, and seizure are unclear. However, CHP said the incident is under investigation.

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