Kim Jong Un watches as North Korea carries out missile tests

North Korean leader Kim Jong Un supervised firing drills at an undisclosed location (Korean Central News Agency/Korea News Service via AP)

North Korean leader Kim Jong Un has supervised firing drills involving nuclear-capable “super-large” multiple rocket launchers to show the country’s ability to carry out pre-emptive attacks on South Korea, state media has reported.

Friday’s announcement follows South Korea saying its neighbour had conducted ballistic missile tests on Thursday.