Seoul has denied any involvement in the recent incursion but has left open the possibility that civilians may have flown the drone, a position reiterated by its national security adviser. SEOUL: The South Korean president's top advisor vowed on Wednesday (Jan 14) to punish whoever is found responsible for a recent drone incursion into North Korea, after a furious Pyongyang demanded an apology . North Korea accused the South over the weekend of sending a drone across their shared border into the