SOKOTO, Nigeria, Ramadan 11, 1433, Jul 30, 2012, SPA - Two explosions have struck police stations in northwest Nigeria. An Associated Press journalist in Sokoto, the major city of Nigeria's northwest, says he saw smoke rising over the stations after the blast Monday morning. Police and security agents have blocked off roads to the sites. The cause of the blasts was not immediately known. --SPA 14:49 LOCAL TIME 11:49 GMT www.spa.gov.sa/1019086