GCN Circular 6262
E. Berger (Carnegie), D.B. Fox (Penn State), and E. Ofek (Caltech) report on behalf of a larger collaboration: "Starting on 2007 April 8.31 UT we used the Gemini Multi-Object Spectrograph (GMOS) on Gemini-North to obtain a spectrum of the bright galaxy located in the XRT error circle of the possible afterglow of GRB 070406 (GCNs 6255,6256,6259). We detect a narrow [OII] emission line and broad H-gamma and H-delta emission features at z=0.703. The broad H-gamma and H-delta lines are indicative of a quasar spectrum, and it is therefore likely that the X-ray emission detected with XRT is due to AGN activity and not the afterglow of GRB 070406. Further XRT observations are essential to confirm fading versus long-term variability."