South Korea's worst ever wildfires in March were made twice as likely as a result of climate change and such disasters could become even more frequent if temperatures continue to rise, scientists said on Thursday.

North Korea on Thursday fired various types of short-range ballistic missiles into its eastern sea, South Korea’s military said, adding to a run in military displays that raised animosities in the region.

North Korea launched a series of short-range ballistic missiles during a nuclear counterstrike drill overseen by leader Kim Jong Un, in what state media said was a response to recent nuclear exercises by the United States and South Korea.