Massachusetts State Police responded to threats made to four different schools in the state Thursday.
The bomb squad responded to three schools in Waltham and one school in Belmont.
According to Waltham police, nine schools were evacuated:
- Waltham High School
- Kennedy Middle School
- McDevitt Middle School
- Plympton Elementary School
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- Fitzgerald Elementary School
- Northeast Elementary School
- MacArthur Elementary School
- Stanley Elementary School
- Whittemore Elementary School
No devices were found during the search.
There have been no reported injuries.
The incident remains under investigation.
