KADUNA, Nigeria, Ramadan 26, 1435, July 23, 2014, SPA -- An explosion on a busy commercial road in the north Nigerian city of Kaduna killed several people on Wednesday, witnesses said. The blast scattered debris and dead bodies on the Alkali Road in the city, witness Muhammad Danfulani told Reuters by telephone. --SPA 15:25 LOCAL TIME 12:25 GMT www.spa.gov.sa/w