ABUJA, Nigeria (AP) — Gunmen raided an off-campus residence in northwest Nigeria and kidnapped seven students, police said. The attack occurred early Wednesday in the Kaura Namoda area of conflict-battered Zamfara state, police spokesman Yazid Abubakar said in a statement. One of the students escaped and was in custody. The police spokesman said it wasn’t clear where the students were taken but efforts were underway to rescue the remaining six. Zamfara has been a hotspot for armed gangs that