A former National Fire Agency chief has been booked on suspicion of performing key duties in an insurrection related to former President Yoon Suk Yeol's imposition of martial law.

A former National Fire Agency chief has been booked on suspicion of performing key duties in an insurrection related to former President Yoon Suk Yeol's imposition of martial law.

Kim Myung-soo, former chairman of the Joint Chiefs of Staff (JCS), appeared before special prosecutors Wednesday for questioning over his alleged involvement in an insurrection…