Meanwhile,South Korea’s President Yoon Suk-yeol called for “solid mental readiness and practical training” to ensure any North Korean provocations will be met with retaliation.
South Korea responded by scrambling jets and opening fire to try to shoot down North Korea’s drones. A South Korean fighter crashed in the process.
The plan is to “mercilessly” strike key South Korean and US targets such as air bases,the military said.
Police did not respond to 11 calls warning them that Saturday’s crowded festivities were becoming deadly.
North Korea has fired an additional six missiles off its eastern and western coasts,South Korea has said.
The decision has come under intense criticism following the deaths of more than 150 people when the group surged.
Tributes are flooding in for Grace Rached,a 23-year-old Sydney film production assistant,who was killed while two of her friends are being treated in intensive care.
Consular officials are also assisting a number of other Australians who attended the event,DFAT says.
Dozens of people are still missing in the aftermath of the disaster in Seoul,and the Australian embassy has launched urgent enquiries.
Experts explain how large crowd gatherings can turn deadly,such as at Hillsborough stadium and Astroworld.
The latest missile launches suggest Kim Jong-un is determined to continue with weapons tests in defiance of international sanctions.