TITLE: GCN CIRCULAR NUMBER: 40638 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 770867684/250606080 is not a GRB DATE: 25/06/06 04:33:56 GMT FROM: oindabimukherjee@gmail.com Fermi Gamma-ray Burst Monitor trigger 770867684/250606080 is not a GRB O. Mukherjee (USRA) reports on behalf of the Fermi Gamma-ray Burst Monitor Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 770867684/250606080 at 01:54:39.00 UT on 06 June 2025, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to local particles."