GARBA MUHAMMAD UNIDENTIFIED gunmen attacked a secondary school in Nigeria's Niger state overnight and abducted many students, the state governor's spokeswoman said today. The assailants stormed the Government Science college in the Kagara district at around 2 a.m., overwhelming the school's security detail, according to local residents. The spokeswoman said many students had been abducted, but did not specify how many. It was not immediately clear who was responsible for the attack. President Muhammadu Buhari on Wednesday condemned the raid, and dispatched security chiefs to coordinate operations to rescue the abducted students, his spokesman said. Militant Islamist group Boko Haram…