TITLE: GCN CIRCULAR NUMBER: 18114 SUBJECT: Fermi GBM trigger 150805556 is not a GRB DATE: 15/08/05 14:54:25 GMT FROM: Oliver Roberts at UCD/Fermi O.J. Roberts (UCD) reports on behalf of the Fermi GBM Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 460473677/150805556 at 13:21:13.51 UT on the 5th of August 2015, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is due to local particles."