TITLE: GCN CIRCULAR NUMBER: 17779 SUBJECT: Fermi GBM trigger 150424722 is not a GRB DATE: 15/04/28 15:23:15 GMT FROM: Binbin Zhang at UAH Bin-Bin Zhang (UAH) reports on behalf of the Fermi GBM team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 451588780/150424722 at 17:19:37.07 UT on the 24th of April 2015, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is due to local particles.” — Sent from Mailbox