A suspicious envelope with powder was located at a school in Avon on Wednesday morning, police said.
An envelope was located by a faculty member at Avon Old Farms School. Police said the envelope had a plastic bag with a white substance was inside it.
The envelope was turned over the school’s dean of security, who turned it over to the Avon Police Department.
Members of the Connecticut Department of Energy and Environmental Protection and the State of Connecticut Department of Health worked along with Avon police to identify the item.
Police said the unknown substance was found to be a dead mouse.
Avon Old Farms School is working with the Avon Police Department on the incident.
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