TITLE: GCN CIRCULAR NUMBER: 17250 SUBJECT: Fermi GBM trigger 141229739 is not a GRB DATE: 14/12/29 21:19:35 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 441567881 / 141229739 at 17:44:38.22 UT on 29 December 2014, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is due to local particles."