TITLE: GCN CIRCULAR NUMBER: 42194 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 781824269/251010892 is not a GRB DATE: 25/10/10 23:06:32 GMT FROM: rhamburg@usra.edu R. Hamburg (USRA) reports on behalf of the Fermi Gamma-ray Burst Monitor Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 781824269/251010892 at 21:24:24.75 UT on 10 October 2025, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to local particles."