article_snippet.sent: (CNN)[Breaking news update, posted at 5:22 p.m. ET] .
article_snippet.sent: [Previous story, posted at 4:52 p.m. ET] .
article_snippet.sent: CNN's Jennifer Z. Deaton contributed to this report.
article_snippet.sent: Journalist Aminu Abubakar reported from Hotoro, Kano, Nigeria and CNN's Ralph Ellis wrote from Atlanta.