The three children and one teenager killed when a car crashed into an after-school program in downstate Chatham, Illinois, have been identified. The driver has also been identified.
"There were desperate scenes of families separated and crying out for help, pleading not to be left behind," reported former CBS News correspondent Ed Bradley, as the city of Saigon was evacuated ahead of its fall on April 30, 1975. Bradley's intrepid reporting, detailing the dramatic events of the day the Vietnam War ended, originally aired on the "CBS Evening News."
Russian investigators say Yegor Semenov was recruited by the Ukrainian secret service to send poisoned alcohol and cakes to a military pilots graduation party.
An Illinois community mourns four students killed in a crash at school. Also, Dr. Jon LaPook shares new clinical trial results showing how immunotherapy could help cancer patients avoid toxic treatments like chemotherapy, radiation and surgery.