Armed gunmen suspected to be cattle rustlers killed 10 members of one family before six of the gunmen were shot dead by security forces in Nigeria\'s central Plateau state, the police said. \"Cattle rustlers believed to be (ethnic) Fulani attacked Kukek village in the state. They murdered about 10 members of a family. Six of the attackers were mowed down in an exchange of fire with security forces,\" the police chief in the state, Chris Olakpe, told AFP.