TITLE: GCN CIRCULAR NUMBER: 15109 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 398555975 / 130818916 is not a GRB DATE: 13/08/19 00:17:27 GMT FROM: Veronique Pelassa at UAH V. Pelassa (UAH) reports on behalf of the Fermi GBM Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 398555975 / 130818916 at 21:59:32.73 UT on 18 August 2013, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is due to local particles."