TWO WASHINGTON STATE men were killed Tuesday afternoon when a small private plane crashed in a vacant lot near a Kennewick, Wash., shopping mall, authorities said. . . . A U.S. AIR FORCE F-15 fighter being redeployed from Kadena Air Base, Okinawa, to South Korea crashed Wednesday near Osan Air Base 30 miles south of Seoul but the pilot ejected safely, military officials said. . . . SUSPENDED HIALEAH, Fla., Mayor Raul Martinez has been convicted of using his office to extort about $1 million in cash and property for zoning favors.