Deadly train collision in Spain kills and injures dozens of people

A deadly train collision in Spain that left dozens of people dead and injured appears to have been caused by human error. Also, a record turnout at the polls by Palestinian citizens of Israel has positioned Arab parties to win a historic 19 out of 120 seats in the Knesset. And, an update on Jamaica one year after Hurricane Melissa. Plus,  a vaccine that could soon help prevent the deadliest form of skin cancer — melanoma — from returning in those diagnosed.