ADAMS TOWNSHIP, Pa. — A second 16-year-old girl has been charged in connection with a bomb threat that happened last Wednesday.
Last week, another 16-year-old girl was charged with making at least one of the threats that forced the evacuation at Mars Area High School, according to police.
RELATED: Mars Area School District to be closed Friday due to 'rumors of violence'
There have been three threats -- two written and one which circulated Thursday night that led to the decision by the district to close all schools in the district on Friday.
Police believe they did it to get out of school.
Police told Channel 11 the student we saw led out of headquarters in handcuffs was behind Wednesday's threat written on a bathroom wall inside the high school, which read "explosion 10-17-18."
We are not showing her face since she’s underage and not charged as an adult.
The investigation is not over and police expect more arrests.
Police do not believe she acted alone and think other students were involved in a handwritten note found lying on a hallway floor the day before which read “Bomb 541.”
When police and the school district heard “rumors of possible violence” on Thursday, the decision was made to cancel classes throughout the entire district today.
District officials told Channel 11 the decision to cancel school was out “of an abundance of caution.”
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After each threat and evacuation, police searched the school but no explosives were found.
Classes were held again Monday.