TITLE: GCN CIRCULAR NUMBER: 19220 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 160323546 is not a GRB DATE: 16/03/23 13:55:32 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 160323546/480431194 at 13:06:30.05 UT on the 23rd of March 2016, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is due to local particles."