In July 2023, he launched a legal challenge to the sanctions in the High Court, asserting that his rights under the European Convention on Human Rights had been breached.
ɪn dʒuːlˈaɪ tˈuː θˈaʊzənd twˈɛnti θɹˈiː, hiː lˈɑːntʃt ɐ lˈiːɡəl tʃˈælɪndʒ tə ðə sˈæŋkʃənz ɪnðə hˈaɪ kˈoːɹt, ɐsˈɜːɾɪŋ ðæt hɪz ɹˈaɪts ˌʌndɚ ðə jˌʊɹɹəpˈiən kənvˈɛnʃən ˌɔn hjˈuːmən ɹˈaɪts hɐdbɪn bɹˈiːtʃt.