N. Korea fires artillery into sea days after missile launch

People stand by a TV screen showing a file image of North Korea's rocket launch during a news program, at the Seoul Railway Station in Seoul, South Korea, Sunday, March 20, 2022. (AP Photo/Ahn Young-joon)

SEOUL, South Korea — North Korea fired suspected artillery pieces into the sea on Sunday, South Korea’s military said, days after the North’s latest missile launch ended in failure amid the country’s recent burst of weapons testing activity.