TITLE: GCN CIRCULAR NUMBER: 22455 SUBJECT: Fermi GBM trigger 541402602/180227234 is not a GRB DATE: 18/02/28 20:02:54 GMT FROM: Oliver J Roberts at USRA/NASA A. von Kienlin (MPE) reports on behalf of the Fermi GBM Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 541402602/180227234 at 05:36:37.72 UT on 27 February 2018, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is due to local particle activity."