Our paper with title “A Multi Attack Argumentation Framework”, by Alexandros Vassiliades, Giorgos Flouris, Theodore Patkos, Antonis Bikakis, Nick Bassiliades and Dimitris Plexousakis, that was presented at the Fourth International Conference on Logic and Argumentation (CLAR 2021) on 21/10/2021, has won the CLAR 2021 Best Paper Award!