TITLE: GCN CIRCULAR NUMBER: 13421 SUBJECT: GRB 120624B: mm detection at PdBI DATE: 12/07/06 06:34:59 GMT FROM: Alberto Castro-Tirado at Inst.de Astro. de Andalucia M. Bremer, J. M. Winters, S. König (IRAM Grenoble), A. de Ugarte Postigo and A. J. Castro-Tirado (IAA-CSIC Granada) on behalf of a larger collaboration, report: "Following the detection of the intense GRB 120624B by different spacecraft (GCNC 13379, 13381,13382), we have conducted follow-up observations at 3 mm with the PdBI on June 28 and July 2. Consistent with the position of the proposed X-ray afterglow (GCNC 13394, 13400) we detect a 1 mJy source (6 sigma). Observations are ongoing". This message can be quoted.