At least 15 people have been killed in a gun attack on a church in central Nigeria, Gunmen stormed the church near the city of Okene in Kogi state and fired on worshippers,. It is not clear who carried out the attack but militant Islamist group Boko Haram has carried out numerous raids on churches and other targets in Nigeria. The groups wants to establish Islamic law in the country, whose large Christian and animist population mainly lives in the south.