TUNIS (Reuters) - At least 12 African migrants died and another 10 were missing after four boats carrying 120 migrants sank off Tunisia, a security official told Reuters on Saturday.

       Ali Aayar, a lieutenant colonel in the Tunisian Coast Guard, added that 98？ ？migrants were rescued off the coast of Sfax.

       (Reporting by Tarek Amara; Editing by Daniel Wallis)