2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/5988This paper has been temporarily withdrawn by the authors. Subsequent observations with the VLT have shown that the high equivalent width line emission from the candidate z=6.4 galaxy most likely is associated with an unusually strong lined low redshift galaxy to the north west. The paper will be revised accordingly and resubmitted.Astrophysicstext