DIFFA, Jumada I 2, 1436, Feb 21, 2015, SPA -- A Niger military official says seven soldiers were killed in an overnight attack by Boko Haram on the island of Karamga in Lake Chad. According to AP, Col. Salaou Barmou said 14 Boko Haram assailants were also killed in the fighting Friday night. Niger President Mahamadou Issoufou visited Diffa Saturday to deliver a message of support to the security forces, vowing that Boko Haram would be defeated. --SPA 23:09 LOCAL TIME 20:09 GMT www.spa.gov.sa/w