bauchi nigeria suspect members islamist militant group boko haram take town restive state borno northeast nigeria saturday residents say attack come days suicide bomber kill least 50 people mosque neighbour adamawa state one deadly attack since president muhammadu buhari come power 2015 pledge end eight-year insurgency residents say attackers enter magumeri around 50 km 30 miles borno state capital maiduguri around 7:00 p.m. 1800 gmt say insurgents shoot sporadically throw explosive devices prompt locals flee forest hurriedly take families bush could get us almost every resident hide say wakil bulama one two residents speak reuters telephone military source want identify say magumeri attack could confirm whether seize boko haram wag insurgency northeastern nigeria since 2009 attempt create islamic state region group kill 20,000 force around million people flee home suspect boko haram militants take northeast nigeria town residents