TITLE: GCN CIRCULAR NUMBER: 32621 SUBJECT: Fermi GBM trigger 686565116/221004355 is not a GRB DATE: 22/10/04 08:58:11 GMT FROM: Andreas von Kienlin at MPE A. von Kienlin (MPE) reports on behalf of the Fermi GBM Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 686565116/221004355 at 08:31:51.10 UT on 4 October 2022, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is due to particle activity. For Fermi GBM data and info, please visit the official Fermi GBM Support Page: https://fermi.gsfc.nasa.gov/ssc/data/access/gbm/"