Halloween festivities in Seoul turn into one of the deadliest tragedies in S. Korea's recent history

We begin this Sunday with tragic news of a deadly crush among crowds at Halloween festivities in the South Korean capital, Seoul.
At least 153 people were killed and dozens more hurt.
The crush took place in the nightlife district of Itaewon.
The cause is still not clear, but witnesses say partygoers were packed in the district's narrow alleyways and that it was nearly impossible to move around.
Lee Kyung-eun has more.