San Diego Zoo June 8, 2019 9:06 pm Polar Bears Snacks on Duck at San Diego Zoo A polar bear gave zoo-goers a shock when the large animal popped up and pounced on a duck. As seen on NBC4 News at 5 p.m. on June 8, 2019. US & World Videos 3:06 Sporting-goods store looks back at seven decades, 30K varsity jackets 2:51 Lemon Grove met recent affordable housing goals, but can it keep up the pace? 2:08 Man accused of killing El Cajon dentist appears for mental competency hearing 2:42 Police find tents of missing Australian brothers, San Diego man surfing in Mexico 3:09 ‘We prioritize housing': A conversation with the mayor of Lemon Grove