Several Boston-area schools were evacuated following a series of telephone bomb threats, police and media said on Friday.
No injuries or explosions were reported.
Boston police were called to Boston College High School after school officials received a recorded threat and students were put on lockdown, according to a Boston Police Department spokeswoman.
St. Agnes School, a Roman Catholic elementary school in the Boston suburb of Arlington was also evacuated following a bomb threat, Arlington police said.
Two middle schools in Weymouth, a suburb south of Boston, were also evacuated following bomb threats, the Boston Globe reported, citing school officials.