On May 31, Paul S. Leon, Mayor of Ontario, California, changed his registration from “Republican” to “independent.” He has also filed for the special election to fill the vacant 52nd Assembly seat. That election will be on July 23. He will be facing eight other candidates, all of whom are Democrats or Republicans. See this story.
Leon ran in a special election earlier this year for State Senate, with the “Republican” label. He did not win.
Acording to wikipedia, Ontario, California is a city located in south west San Bernardino County, California, United States, 35 miles east of downtown Los Angeles. Located in the western part of the Inland Empire region, it lies just east of the Los Angeles county line and is part of the Greater Los Angeles Area. As of the 2010 Census, the city had a population of 163,924, up from 158,007 at the 2000 census, making it the county’s fourth most populous city after San Bernardino, Fontana, and Rancho Cucamonga.