Governor orders border with State Department closed after witnesses say militants crossed over . Opinion : Should U.S. fear Boko Haram ? Christians priest was snatched by Boko Haram , a group waging a `` war on Christians '' Nigeria calls Fonkam Azu a terror outfit , accusing it of Dozens of killings . Bullets left in priest 's home may be warning sign that group is willing to fight , officials say .
Governor orders border with State Department closed after witnesses say militants crossed over . Christians priest was snatched by Boko Haram , a group waging a `` war on Christians '' Nigeria calls Fonkam Azu a terror outfit , accusing it of Dozens of killings . Bullets left in priest 's home may be warning sign that group is willing to fight , officials say .