The Massachusetts Institute of Technology on Saturday issued a 8220;shelter in place8221; lockdown warning after police said they had received a report there could be a person in a campus building with a long rifle and wearing body armor.
The notice on MIT8217;s website said multiple law enforcement agencies including Cambridge Police had responded to the campus.
The Cambridge Police Department said on its website that it had searched the building with 8220;negative results8221; and more information would follow.