TITLE: GCN CIRCULAR NUMBER: 41422 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 777251788/250818970 is not a GRB DATE: 25/08/19 01:41:04 GMT FROM: Jacob Smith at Fermi-GBM Team jrs0118@uah.edu

Jacob Smith (UAH) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 777251788/250818970 at 23:16:23.51 UT on 18 August 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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