TITLE: GCN CIRCULAR NUMBER: 34765 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 717299390/230925076 is not a GRB DATE: 23/09/25 13:50:25 GMT FROM: Cori Fletcher at USRA cfletcher@usra.edu

C. Fletcher (USRA) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 717299390/230925076 at 01:49:45.24 UT on 25 September 2023, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to particles."

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