In Nigeria, at least 14 worshippers were killed when a suicide bomber attacked a mosque on the border with Cameroon. Umar Kachalla, a civilian militiaman said the suspected Boko Haram jihadist blew himself up amid worshippers inside the mosque in Gamboru today. <br/><br/>The mosque had been completely destroyed, he believes more bodies are buried under the debris. Kachalla said the death toll may likely rise. Boko Haram leader Abubakar Shekau released a video message claiming a series of attacks in the northeast including those in Gamboru.