January 17, 2021 7:41 am 37-Year-Old Man Arrested After Explosive Chemicals Found at RV Park Police said Saturday that a 37-year-old man was arrested after FBI agents found chemicals used to make explosives Friday night at a recreational vehicle park in San Francisco. US & World Videos 1:43 Kari's forecast: Warm day, Saturday rain 2:33 Downtown First Thursdays offers new hope to struggling SF merchants 2:41 College-bound students face deadline to apply for state aid 0:22 Violence at UC Berkeley protest encampment results in injuries 0:34 President Biden to visit Bay Area for fundraiser