South Korea announced on Friday it would unilaterally impose extended sanctions against North Korean entities and individuals relevant to its weapons programs, while also banning all vessels from its waters that entered North Korean ports during the past twelve months.

Seoul’s new set of autonomous sanctions, wide-ranging in nature, come just two days after the UN Security Council (UNSC) adopted Resolution 2321 in response to Pyongyang’s fifth nuclear test on September 9.

The new round of sanctions includes measures against 36 individuals and 35 entities which are suspected to play a pivotal role in “developing weapons of mass destruction (WMD) and securing major funds of the