Fremont, California (UPI) - A truck driver involved in a freeway accident went to a hospital to have a gash in his leg treated. then retumed to look alter his truck. When Bob Murdoch, of Gardena, arrived back at the site, he found a large number of additional wrecks, including lour highway patrol cars which were hit while officers were trying to untangle the snarl. While surveying the chaos, another truck piled into the wreckage, and its load of canned pears completely buried Murdoch He was taken back to the hospital. . .