TITLE: GCN CIRCULAR NUMBER: 19431 SUBJECT: Fermi GBM trigger 485124591/160516868 is not a GRB DATE: 16/05/17 14:15:59 GMT FROM: Peter Jenke at MSFC P. Jenke (UAH) reports on behalf of the Fermi GBM Team: The Fermi Gamma-ray Burst Monitor (GBM) trigger 485124591/160516868 at 20:49:47.00 UT on 16 May 2016, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is due to SGR 1935+2154 which also triggered Swift/BAT (GCN 19430, S. D. Barthelmy et al.).