Indonesian Man Kills Fellow National in Japan, Police Officer Injured
Indonesian national Sri Rahayu, 21, was killed in a stabbing attack in Chitose, Hokkaido, Japan, on the night of June 4, 2026. The suspect, 27-year-old Mahmudi Agung Laksana Aji, also an Indonesian citizen, was arrested at the scene and has admitted to the killing with intent.
The incident began around 21:10 local time when a pedestrian alerted Hokkaido emergency services to a man carrying a kitchen knife on a sidewalk in the Chitose area. Upon arrival, officers from the Chitose and Hokkaido Police discovered the victim suffering from multiple stab wounds, including injuries to her abdomen.
Sri Rahayu, a resident of the Fuji 3-chome district in Chitose, was rushed to a local hospital but was later pronounced dead. Police immediately apprehended the suspect, Mahmudi Agung Laksana Aji, a part-time worker residing in Chiba Prefecture.
During interrogation, Aji confessed to the crime. He told investigators, “I have stabbed her with intent to kill.” While the motive remains a mystery, investigators believe the suspect and the victim knew each other.
Who else was injured in the attack?
The violence resulted in two other casualties. A Chitose Police officer sustained cuts to his hand and leg while attempting to arrest the suspect.
Additionally, another Indonesian man, identified as a colleague of the victim, was injured during the incident. He was transported to a hospital, and officials confirmed that neither his injuries nor those of the officer are life-threatening.
How is the Indonesian government responding?
Heni Hamidah, Director of WNI Protection at the Ministry of Foreign Affairs (Kemlu), confirmed that the Indonesian Embassy (KBRI) in Tokyo is coordinating with the Chitose Police. The focus is currently on the handling of the victim’s body.

KBRI officials have contacted the victim’s family to share the news and are discussing plans to repatriate the body to Indonesia. The Ministry of Foreign Affairs and KBRI Tokyo will continue to monitor the legal process and the detention of the suspect.
What happens next in the legal process?
The suspect, Mahmudi Agung Laksana Aji, is currently detained by the Chitose Police. He is likely to be charged with murder as the investigation continues.
Legal proceedings may focus on establishing the motive, which remains unknown. Meanwhile, the Indonesian government could facilitate the repatriation of Sri Rahayu’s remains once all local police formalities are completed.
Frequently Asked Questions
Who was the victim of the stabbing?
The victim was Sri Rahayu, a 21-year-old Indonesian citizen living in the Fuji 3-chome district of Chitose, Japan.
What did the suspect say to investigators?
The suspect, Mahmudi Agung Laksana Aji, admitted to the killing, stating, “I have stabbed her with intent to kill.”
What is the status of the other injured parties?
A Chitose Police officer and an Indonesian man (a colleague of the victim) were injured, but their wounds are not life-threatening.
What measures should be prioritized to support Indonesian citizens living abroad during such crises?