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The injured person was a university staff member who was in the process of opening the package when its contents exploded, WCVB TV reported, citing an unnamed university spokesperson.
Police were called shortly following 7 p.m. ET (0100 GMT), Boston Police Officer Andre Watson said.
“Officers located the single victim with non-life-threatening injuries, and she was transported to a local hospital for further treatment,” Watson said.
The police bomb squad, Boston Fire Department and Boston Emergency Medical Service were among those investigating the incident, Watson said.
Evening classes were canceled in six buildings, campus police said on Twitter.
