TITLE: GCN CIRCULAR NUMBER: 17934 SUBJECT: Fermi GBM trigger 150616594 is not a GRB DATE: 15/06/16 16:45:35 GMT FROM: Peter Jenke at MSFC P. Jenke (UAH) and B. Mailyan (UAH) report on behalf of the Fermi GBM team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 456156966/150616594 at 14:16:03.39 UT on the 16th of June 2015, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is due to local particles.”