Radio detection of VIK J2318−3113, the most distant radio-loud quasar (z = 6.44) L. Ighina, S. Belladitta, A. Caccianiga, J. W. Broderick, G. Drouart, A. Moretti and N. Seymour A&A, 647 (2021) L11 Published online: 22 March 2021 DOI: 10.1051/0004-6361/202140362