UPDATE: Student arrested after ISIS threat made on Twitter

A 16-year-old Wicomico High School Student has been arrested after a tweet he sent threatened a mass attack.

The student tweeted at a local media outlet saying ISIS is in Salisbury and that they are planning some sort of attack on Wicomico high. Officials with the Sheriff’s office tell 47 ABC he thought it was a prank.

He is now charged with threat of mass violence, electronic mail harrassment, disturbing school operations and making threats to harm a school environment.

Authorities say the student is being detained by juvenile services.