TITLE: GCN CIRCULAR NUMBER: 14689 SUBJECT: GRB 130518A: mm detection at PdBI DATE: 13/05/21 16:39:02 GMT FROM: Alberto Castro-Tirado at Inst.de Astro. de Andalucia A. J. Castro-Tirado (IAA-CSIC Granada), M. Bremer and J.-M. Winters (IRAM Grenoble), on behalf of a larger collaboration, report: "We conducted mm observations towards GRB 130518A (Xiong et al. GCNC 14674, Omodei et al. GCNC 14675) starting at 61 hr post burst with the PdBI at 86.7 GHz. At the position of the optical afterglow (Evans et al. GCNC 14678, Troja et al. GCNC 14579), we detect a ~2 mJy point source. Further mm observations are planned."