Gaza, December 01, SPA -- One Palestinian was killed and three werewounded Monday night in a mysterious explosion in a car that drovewest of Gaza city, eyewitnesses and medics said. The witnesses said that four Palestinians were riding in a minibus inShatti refugee camp west of Gaza City when the explosion wrecked thebus. Gaza emergency chief Mo"aweya Hassanein confirmed the casualties,adding that the four were taken to Shifa Hospital in Gaza City. Hamas security sources in Gaza said the explosion was beinginvestigated. Witnesses said that the explosion occurred at the same timewhen Israeli F16 warplanes passed overhead, according to a report of the German Press Agency "DPA" --SPA 13:30 LOCAL TIME 10:30 GMT www.spa.gov.sa/724011