A threat has prompted a shelter-in-place at Crosby High School in Waterbury on Tuesday morning.
Police said the threat was posted on social media. Authorities did not release details about what the threat said.
As a precaution, investigators said there is a shelter-in-place and additional police are at the school.
The investigation is ongoing.
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A threat on social media has also prompted a shelter-in-place at the Enlightenment School and Jonathan E. Reed Elementary School in Waterbury. There is additional police presence at both schools and all activities will be held indoors as a precaution.
