People line up to place flowers at a makeshift memorial outside Yamato-Saidaiji Station, where former Japanese prime minister Shinzo Abe was shot on July 8, in Nara on July 9, 2022. (PHILIP FONG / AFP)

TOKYO - The Japanese government expects security loopholes in the killing of former prime minister Shinzo Abe to be discussed and investigated, the country's top spokesperson said on Monday.

Chief Cabinet Secretary Hirokazu Matsuno told a regular briefing that the government has received a report suggesting there was security and guard system fault.

READ MORE: Abe killer wielded homemade gun, 'grudge over mother's bankruptcy'