A gas-rich AGN near the centre of a galaxy cluster at z ~ 1.4V. Casasola, L. Magrini, F. Combes, A. Mignano, E. Sani, R. Paladino and F. FontaniA&A, 558 (2013) A60DOI: https://doi.org/10.1051/0004-6361/201321599