Sardine and Nemesis had detached .
Sardine and Nemesis anchored at Tunis in March , where they were attacked by a British squadron under Vice-Admiral William Waldegrave , who violated Tunisian neutrality in seizing both ships and the corvette Postillion .
Sardine and Nemesis had detached and anchored at Tunis in March , where they were attacked by a British squadron under Vice-Admiral William Waldegrave , who violated Tunisian neutrality in seizing both ships and the corvette Postillion .