TITLE: GCN CIRCULAR NUMBER: 26388 SUBJECT: Fermi GBM trigger 597737032/191211253 is not a GRB DATE: 19/12/11 09:48:10 GMT FROM: Elisabetta Bissaldi at INFN,Bari "The Fermi Gamma-ray Burst Monitor (GBM) trigger 597737032/191211253 at 06:03:47.84 UT on 11 December 2019, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is due to local particles."