North Korea is stepping up security around dictator Kim Jong Un ahead of a possible assassination attempt, South Korean lawmakers said, citing a briefing from Seoul’s spy agency.

South Korea’s National Intelligence Service told parliament that Kim’s security team had expanded efforts to protect him, including using communications jamming devices and drone detection equipment. based on South Korea’s state news agency.

The spy agency did not mention a specific threat to Kim but noted that he appeared in public more frequently despite threats to his security.