TITLE: GCN CIRCULAR NUMBER: 40850 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 772732642/250627665 is not a GRB DATE: 25/06/27 17:30:12 GMT FROM: Lorenzo Scotton at UAH lscottongcn@outlook.com

L. Scotton (UAH) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 772732642/250627665 at 15:57:17.97 UT on 27 June 2025, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to local particles."

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