Survivors continue to seek answers one year after Beirut explosion
The August 4, 2020 explosion at a Beirut port killed more than 200 people and destroyed swathes of the capital in one of the world's largest non-nuclear blasts. CBS correspondent Imtiaz Tyab follows up with victims who are still traumatized by the event itself and the lack of answers over a year in which the country fell into economic ruin.