On Friday, a man was arrested after a violent incident at a tire factory in Mishima, Shizuoka. He stabbed eight people and threw bleach at others, according to officials. The attack took place at the Yokohama Rubber Co. plant. No motive was given.

The Incident
The Fujisan Nanto Fire Department reported that the assailant used a survival knife during the assault. Witnesses say the attacker wore what appeared to be a gas mask. The fire department also noted that the man had a survival knife in his possession. He was apprehended at the factory site by police.
Victims and Medical Response
Eight individuals were taken to hospitals after being stabbed. Five of those stabbed were in serious condition, though other details were not released. Seven additional people were injured by bleach thrown during the attack. Those seven were also transported to hospitals for treatment.
Arrest Details
Shizuoka prefectural police said the attacker was a 38-year-old man. He was arrested on charges of alleged attempted murder. Police did not disclose additional information about the arrest. The suspect was taken into custody at the factory premises.
Equipment and Evidence
Investigators found a survival knife in the suspect’s possession. The knife was described as a type commonly used for emergency situations. The suspect also wore a gas mask that appeared to be for protection. The mask was recovered by police as part of the evidence.
Bleach Use
During the assault, the attacker threw bleach at several workers. The bleach caused chemical burns in seven victims. All seven were hospitalized for treatment. The use of bleach added a chemical element to the violent incident.
Fire Department Response
The Fujisan Nanto Fire Department was the first to respond to the scene. They provided emergency medical assistance to the injured. The department also secured the area to protect other employees. They worked closely with police during the arrest.
Police Investigation
nThe Shizuoka prefectural police are investigating the motive behind the attack. They have not released any statements about the suspect’s background. The investigation is ongoing and authorities are gathering additional evidence. No witnesses have come forward to identify a motive.
Company Impact
nYokohama Rubber Co. is a major tire manufacturer in Japan. The factory is located in Mishima, west of Tokyo. The incident disrupted operations at the plant. Company officials have not issued a public statement about the impact.
National Context
nJapan has strict gun control laws and is known for rare violent crimes. In recent years, there have been a number of high-profile knife attacks. The Mishima incident is one of the few violent events in the country in recent times. Authorities are monitoring for potential threats.
Legal Proceedings
nThe suspect faces charges of attempted murder. Legal proceedings will determine the severity of the case. The arrest was made on Friday, and the suspect is currently in police custody. No bail has been granted.
Medical Outcomes
nFive of the stabbed victims were reported to be in serious condition. Their medical status remains uncertain. The seven bleach victims received treatment for chemical burns. Hospitals are monitoring their recovery.
Community Reaction
nLocal residents were shocked by the sudden violence. Some employees were present at the factory during the attack. Community leaders are calling for increased security. The incident has raised concerns about workplace safety.
Media Coverage
nThe Associated Press covered the incident with details from the fire department and police. The major Japanese newspaper Asahi reported on the suspect’s gear. No other media outlets have provided additional information. The coverage focuses on the facts of the assault.
Key Takeaways
- A 38-year-old man was arrested after stabbing eight people and throwing bleach at a tire factory in Mishima.
- Eight victims were hospitalized, five in serious condition, and seven were injured by bleach.
- The suspect was found with a survival knife and a gas mask, and is charged with attempted murder.
The incident underscores the rarity of violent crimes in Japan and the ongoing need for vigilance in workplace environments. Authorities continue to investigate the motive behind the attack, and legal proceedings will determine the suspect’s fate.

