South Korea's Joint Chiefs of Staff says it detected three launches from an inland area south of Pyongyang, the North's capital.
The rocket launch was part of Seoul's efforts to build a space-based surveillance capability and bolster its defence posture amid continued threats from Pyongyang.
A huge fire at an expressway tunnel on the outskirts of Seoul as a result of an accident has killed at least six people, emergency services say.
Despite a five-hour-long operation on Monday, South Korea failed to shoot down the North Korean drones, prompting widespread criticism over the response and an apology from the country's military.
Seoul seeks to deploy airborne lasers to destroy drones and jammers to neutralise smaller devices two days after the reported incursion of North Korean drones.
Kim announces new goals for the country's military for 2023 at an ongoing meeting of ruling Workers' Party, hinting at another year of intensive weapons tests and tension.
Lee Myung-bak was on a list of more than 1,300 people who received special pardons "from the perspective of broad national unity through reconciliation, tolerance and consideration".
North Korean drones crossed into South Korea days after Pyongyang launched two ballistic missiles in protest of the South Korean-US joint air drills that it views as an invasion rehearsal.
The secretive Communist country has scaled up its military rhetoric in response to joint drills by US and Korean warplanes this week.
South Korean experts say North Korea has turned to crypto hacking to support its fragile economy and fund its nuclear programme amid UN sanctions.
Tokyo's sweeping, five-year plan, once unthinkable in pacifist Japan, will make the country the world's third-biggest military spender after the United States and China, based on current budgets.
The rocket carrying the test satellite was launched to assess the satellite’s photography and data transmission systems, state media said.
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