CERES (CBS13) – Police say there is no credible threat to Ceres High School after a threatening Snapchat post was shared on Thursday.

Ceres police say the post featured an image of what looked like automatic rifles and a caption that read “CHS be ready.”

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Officers soon discovered that the image actually originated from an advertising site in the United Kingdom. The weapons shown were also airsoft rifles, not real guns.

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Still, officers are trying to find whoever originally posted the Snapchat and added the threatening caption.

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Police say, despite the threat not appearing to be credible, they have put a plan in place on Friday to make sure all school campuses in Ceres are safe and secure.