UPDATE: Binghamton City School District officials say they are working with the Binghamton Police Department to identify the person responsible for a threat made on social media that prompted a lockout situation Monday.

The district says the threat involved gun violence towards the high school and out of an abundance of caution, there will be additional police presence during student arrival and students will have lunch on campus.

They say students in morning and afternoon BOCES programs will participate in their programs as scheduled.

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The Binghamton High School is in a lockout situation.

A message to parents says the district is "aware of a non-specific threat made on the social media platform Snapchat toward the high school." Due to the threat, the high school was placed on lockout out of an abundance of caution.

A lockout means students are kept inside the building and visitors will be restricted. Police are aware of the situation and are investigating.

Stay with Fox40 for more updates as they become available.