August 19, 2020 11:38 pm Families Sue Children's Hospital LA After Freezer Malfunction Damages Stem Cells Hetty Chang reported on NBC4 News on Aug. 19, 2020. US & World Videos 2:57 Pro-Palestinian vigil and march for Gaza in Pasadena 1:57 Pedestrian killed in multi-vehicle crash in Hollywood 7:28 Tensions rise as UCLA protest continues 2:42 Executive staff to LA County DA accused of mishandling confidential police files 2:58 UC Irvine students launch solidarity encampments