HERMON – Authorities charged two 15-year-old Hermon High School students on Wednesday in connection with a bomb-threat note left in a bathroom at the school Tuesday.

The two freshmen girls were charged with filing a false public alarm. Sgt. William Laughlin, a Hermon constable and Penobscot County sheriff’s deputy, said one of the girls notified school officials about the note.

Found early Tuesday morning, the note talked in general terms about a bomb, Laughlin said. Authorities took it seriously and evacuated the building, calling off classes and sending students, teachers and most staff home for the remainder of the day.

Laughlin said that school officials were diligent in monitoring the school when it reopened Wednesday.

He said the two girls charged had been heard talking about the incident and had apparently even chatted on the Internet about it. The girls were reported to have chatted about whether they were going to get into trouble.

The bomb threat had been the topic of conversations around town, according to Laughlin.

He also said the girls admitted that they were angry about being in school and that the bomb threat was a prank that had gotten out of hand.

The Hermon school superintendent said the lost day will be taken out of one of four snow days the high school hadn’t used during the winter. That will mean students will get out a day later than they would have because of the missed day.

The charges come a few days after authorities in Calais charged three teenagers with a similar incident at Calais High School.