... Theft and vandalism of Proposition 8 signs have been reported in Santa Ana, Yorba Linda, Huntington Beach, Fountain Valley, Irvine and Laguna Hills. In Fullerton, five people were taken into custody after police there found 10 torn "Yes on Proposition 8" signs in their car. The suspects told police they had just attended a "No on 8" rally. In Irvine, two citizen arrests have been reported of people stealing or vandalizing "Yes" signs and on Tuesday, three students were stopped by a police officer in an area where several signs had the word "No" spray-painted over several "Yes" signs....