ALMA observations of AGN fuelling - The case of PKS B1718–649 F. M. Maccagni, R. Morganti, T. A. Oosterloo, J. B. R. Oonk and B. H. C. Emonts A&A, 614 (2018) A42 Published online: 12 June 2018 DOI: 10.1051/0004-6361/201732269