The Sheriff says they found two weapons with high capacity magazines which were intended to shoot up the ceremony.

A possible mass shooting plot at a Michigan graduation ceremony was thwarted, authorities said, and police are searching for one of the suspects who remains at large. The apparent plot was revealed after authorities responded to a fight that broke out during the Arts and Technology Academy of Pontiac graduation,

The Oakland County Sheriff's Office said two people have been arrested for allegedly planning a mass shooting at a high school graduation in Pontiac.