NORTH ANDOVER — Police investigated a bomb threat at North Andover High School yesterday morning and quickly determined it was a hoax, according to Superintendent Kevin Hutchinson.
A student found a threatening note written on the wall in a bathroom, Hutchinson said. Police were called, officers did a sweep of the building and concluded there was no explosive device. The school was not evacuated.
The incident was reported to police at 10:15 a.m.