TITLE: GCN CIRCULAR NUMBER: 22761 SUBJECT: Fermi GBM trigger 180604900/549840956 likely not a GRB DATE: 18/06/04 22:50:18 GMT FROM: Rachel Hamburg at UAH R. Hamburg (UAH) reports on behalf of the Fermi GBM Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 180604900/549840956 at 21:35:51.14 UT on 04 June 2018, was tentatively classified as a GRB. However this trigger is likely due to a statistical fluctuation."