LONDON (Reuters) -A Moroccan and a British fighter sentenced to death by a Russian-backed separatist court in east Ukraine for fighting for Ukraine have appealed against their sentences, the Russian state news agency TASS reported on Friday. TASS said the Supreme Court of the self-proclaimed Donetsk People’s Republic (DPR), a territory recognised only by Russia and Syria, had received appeals from lawyers for Brahim Saadoun and Shaun Pinner. It said another condemned Briton, Aiden Aslin, had not yet submitted an appeal, citing Aslin’s lawyer. All three men were sentenced to death last month fo…