TITLE: GCN CIRCULAR NUMBER: 13965 SUBJECT: Fermi GBM trigger 121115.186 is not a GRB DATE: 12/11/15 14:46:03 GMT FROM: David Tierney at UCD D. Tierney (UCD) reports on behalf of the Fermi GBM Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 374646503 (121115186) at 04:28:20.04 UT on 15 November 2012, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is due to local particle activity."