N.Korea may be preparing to test submarine-launched ballistic missile

South Korea's military has detected signs that North Korea may be preparing to test a submarine-launched ballistic missile (SLBM), Qazet.az reports according to Yonhap news agency.

South Korean President Yoon Suk-yeol is aware of signs and movements suggesting North Korean provocations, including SLBMs, the presidential office said in a statement on Saturday.