TITLE: GCN CIRCULAR NUMBER: 26083 SUBJECT: Fermi GBM trigger 593931926/191028212 is not a GRB DATE: 19/10/28 08:46:44 GMT FROM: Andreas von Kienlin at MPE A. von Kienlin (MPE) reports on behalf of the Fermi Gamma-ray Burst Monitor Team: “The Fermi Gamma-ray Burst Monitor (GBM) trigger 593931926/191028212 at 05:05:21.71 UT on 28 October 2019, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is due to local particles."