Classes have resumed as normal at Memorial High School

MANCHESTER, N.H. — Classes have resumed as normal at Memorial High School in Manchester after the arrest of an 18-year-old. Around 8 a.m. Monday, police said multiple students reported seeing someone in a parking lot near the stadium holding a gun before concealing it under his clothes. The school went into secure campus mode for about five minutes before Tyson Lennartson was arrested at a nearby business. He is charged with disorderly conduct and criminal threatening. Police said Lennartson is not a student and did not try to enter the school.