For the second time this week, dozens of schools confirmed receiving bomb threats via robocalls, according to officials. At least one school said it received a threat from a live person.Bomb threats were confirmed at 32 schools, including Andover High School, Arlington High School, Arlington Catholic High School, Acton-Boxborough High School, Beverly High School, Billerica Memorial High School, Brookline High School, Danvers High School, Littleton High School, Marblehead High School, Melrose High School, Needham High School, Newton South High School, North Andover High School, Peabody High School, the Page Hilltop School in Ayer, Shawsheen Tech in Billerica, Tewksbury High School, Tyngsborough High School, Weston High School and Woburn Memorial High School.Arlington police tweeted that the "building was swept by officials and students are returning to school for business as usual.""Administration is working with police and fire officials to address a bomb threat at the school this morning," Shawsheen Tech tweeted. "Threat has been deemed not credible, and the school day has not been interrupted. Thank you, @BillericaPD for professional support."Lynn English High School received a threat from a live person at 7:36 a.m. saying there was a bomb filled with dynamite that it would go off in a half hour. The school was evacuated and searched, and students were let back in at 8:10 a.m.Other towns also confirmed sweeping the schools but not finding anything. Some schools evacuated students briefly, while others opted to place the school on lockdown while the property was searched.According to State Police spokesman David Procopio said the investigation is being led by the FBI with assistance from the Massachusetts State Police and the Office of the State Fire Marshal.Procopio said investigators believe Thursday's incidents, like previous spates of robocall school threats, are being delivered to targeted destinations through an online network or networks via numerous routers.On Monday, more than a dozen schools received similar robocalls. Nothing was found in sweeps of the schools and no injuries were reported.Get the WCVB News App

For the second time this week, dozens of schools confirmed receiving bomb threats via robocalls, according to officials. At least one school said it received a threat from a live person.

Bomb threats were confirmed at 32 schools, including Andover High School, Arlington High School, Arlington Catholic High School, Acton-Boxborough High School, Beverly High School, Billerica Memorial High School, Brookline High School, Danvers High School, Littleton High School, Marblehead High School, Melrose High School, Needham High School, Newton South High School, North Andover High School, Peabody High School, the Page Hilltop School in Ayer, Shawsheen Tech in Billerica, Tewksbury High School, Tyngsborough High School, Weston High School and Woburn Memorial High School.


Arlington police tweeted that the "building was swept by officials and students are returning to school for business as usual."

"Administration is working with police and fire officials to address a bomb threat at the school this morning," Shawsheen Tech tweeted. "Threat has been deemed not credible, and the school day has not been interrupted. Thank you, @BillericaPD for professional support."

Lynn English High School received a threat from a live person at 7:36 a.m. saying there was a bomb filled with dynamite that it would go off in a half hour. The school was evacuated and searched, and students were let back in at 8:10 a.m.

Other towns also confirmed sweeping the schools but not finding anything. Some schools evacuated students briefly, while others opted to place the school on lockdown while the property was searched.

According to State Police spokesman David Procopio said the investigation is being led by the FBI with assistance from the Massachusetts State Police and the Office of the State Fire Marshal.

Procopio said investigators believe Thursday's incidents, like previous spates of robocall school threats, are being delivered to targeted destinations through an online network or networks via numerous routers.

On Monday, more than a dozen schools received similar robocalls. Nothing was found in sweeps of the schools and no injuries were reported.