South Korea will take action corresponding to the results of its ongoing investigation into drone incursions alleged by North Korea, the unification minister said Wednesday. Unification Minister Chung Dong-young made the remarks at a policy briefing by agencies affiliated with the ministry, a day after Kim Yo-jong, the powerful sister of North Korean leader Kim Jong-un, again demanded that Seoul apologize for violating the North's sovereignty. On Saturday, North Korea's military accused Seoul of sending drones carrying surveillance equipment across the border in September and on Jan. 4, claiming the country's sovereignty had been violated. South Korea immediately launched an investigation into the allegations, including the possibility that civilians may have been behind the claimed drone incursions, while saying the South's military has not sent the drones or operated the models found in the North. "The military-police fact-finding team is currently working swiftly. As soon as the results are released, (the government) will take corresponding action," Chung said. The minister also descri