Knife-wielding Boko Haram attackers kill 18 in Nigeria
At least 18 people were killed in the Nigerian town of Banki on Friday by knife-wielding attackers who were suspected to be Boko Haram militants, according to reports. The attack is the latest in a string of deadly Boko Haram raids and bombings that have killed at least 172 people since June 1 this year, reports added.