KADUNA, Nigeria, Ramadan 20, 1436, Jul 7, 2015, SPA -- A bomb on the outskirts of Nigeria's Zaria city in the northern state of Kaduna killed at least 20 people on Monday morning, Reuters cited the state governor, Nasir el-Rufai, as saying. Zinari Shehu, a local radio journalist who was at the scene, said the bomb went off at around 10 a.m. (0900 GMT) in the local government secretariat in Gogarawa, an area on the edge of Zaria. --SPA 14:08 LOCAL TIME 11:08 GMT www.spa.gov.sa/w