July 15, 2010 6:20 am 35 Stung by Stingrays at La Jolla Shores Lifeguards have seen a bump in stingray stings this week along La Jolla Shores. What experts say could be the result of a food source or nursery ground in the warm water. US & World Videos 58:18 Episode 308: The Level of Concern Game 3:06 Chula Vista breakdancer hopes to compete at Paris Olympics 0:34 City of Oceanside declares local emergency due to pier fire 2:30 UCSD students establish pro-Palestinian encampment on campus 3:00 San Diego hospitality, service workers rally for $25 minimum wage