TITLE: GCN CIRCULAR NUMBER: 45108 SUBJECT: Fermi GBM trigger 805087514/260707142 (GRB 260707A) is not a GRB DATE: 26/07/07 19:31:42 GMT FROM: Suman Bala at USRA S. Bala (USRA) reports report on behalf of the Fermi Gamma-ray Burst Monitor Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 805087514/260707142 at 03:25:09.33 UT on 07 July 2026, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to Terrestrial Gamma-ray Flash (TGF)."