N'DJAMENA, Chad (AP) — Chad's prosecutor says 10 members of Boko Haram have been sentenced to death for crimes including murder and the use of explosives.Bruno Mahouli Louapambe said in a statement Friday that the suspects included Bahna Fanaye, alias Mahamat Moustapha, described by Chadian officials as a leader of the Nigeria-based group.Chad has vowed to take a leading role in a regional force to fight Boko Haram that is also expected to include soldiers from Cameroon, Benin and Niger in addition to Nigeria.