A handgun was found when a student at William Floyd High...

A handgun was found when a student at William Floyd High School in Mastic Beach was searched with a metal detecting wand, the school district said. Credit: Newsday / John Paraskevas

Suffolk County police detectives have opened an investigation after a student was found in possession of a handgun at William Floyd High School in Mastic Beach on Friday afternoon, a department spokesperson confirmed.

Just before the high school's regular 1:34 p.m. dismissal, a high school student was "brought to an administrator’s office for possible vaping," according to a statement the William Floyd School District released Friday afternoon. 

"When the student was searched with a metal detecting wand, it was discovered that the student was in possession of a handgun," the statement reads. "The handgun was confiscated and the police were immediately notified. This has been turned over to law enforcement who are continuing their investigation."

As of approximately 8:45 p.m., a Suffolk police department spokesperson confirmed that detectives were still investigating the incident, adding that it began at approximately 1:15 p.m. Friday.

"The student will be dealt with through the criminal justice system," the district said in a statement. "In addition to any criminal charges, the student will also be subject to severe consequences according to the school district code of conduct."

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

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