GCN Circular 15702
J. Gorosabel (UPV/EHU-IAA/CSIC), R. Hueso (UPV/EHU), M. Fernandez (IAA/CSIC) on behalf of a larger collaboration report: We observed the field of GRB 140108A (Racusin et al., GCN 15699) with the 1.23m CAHA telescope. An object with I~19 is detected at 17:55 UT coincident with the optical candidate position reported by Gorbovskoy et al. (GCN 15701). Further observations are in progress.