The killing of the half-brother of North Korean leader Kim Jong Un was organized by the reclusive state's ministry of state security and foreign ministry, according to South Korean lawmakers briefed by the country's intelligence agency.

The eight North Korean suspects include four officials of the state security ministry and two officials of the foreign ministry, the lawmakers quoted the intelligence agency as saying.

South Korean and U.S. officials said Kim Jong Nam, the North Korean leader's estranged half-brother, was killed by North Korean agents in an airport in the Malaysian capital on Feb. 13. North Korea has not acknowledged his death.