QURAYYAT — Police here have launched an extensive investigation into the death of a 50-year-old man. Police spokesman Col. Madhali Al-Muwaishir said Qurayyat General Hospital called officers after someone brought in the man's body and left. Forensic doctors examined the body but could not determine the cause of the death and ordered an autopsy. Investigators said they would find out the circumstances surrounding the man's death soon.