June 3, 2022 7:24 pm Teacher's TikTok Videos About Classroom Safety Go Viral NBC Bay Area’s Raj Mathai spoke to Ms. Kelsey Vidal, a Pittsburg first grade teacher, about her TikTok videos about classroom safety amid school shootings. US & World Videos 2:08 Oakland's Little Saigon hosts first Sunset Market in Clinton Park 0:17 Child hit by car in Oakland 3:52 Pro-Palestinian protests continue at college campuses in Bay Area, across the nation 0:42 1 arrested in Piedmont after attack on elderly man, struggle with police chief 0:28 Woman hospitalized following crash in San Jose, police say