Report of bomb threat triggers lockdown of Pittsburg High

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Pittsburg High on lockdown

A report of a bomb threat forced the lockdown of Pittsburg High Thursday afternoon.

Students at Pittsburg High School were forced to lockdown as police investigated reports of a bomb threat, according to the school district.

District officials told KTVU by phone that the high school was placed on lockdown Thursday afternoon, but did not say how they were made aware of the possible threat. 

This story is still developing. Please check back for updates.