Riot Police Unit Explained

Unit Name:Riot Police Unit
Native Name:機動隊
Dates:1957 – present
Country:Japan
Agency:Prefectural police
Role:
Sworn:Approx. 8,000 (full-time members)
Programmes:-->

are the rapid reaction forces of Japanese prefectural police. These units are not only riot police, but a type of emergency service unit to maintain public order against large civil disorder, disaster response, or other emergency situations as the key units of Japanese law enforcement for crisis management. They are operated by prefectural police headquarters (PPH) under the supervision of the Security Bureau of the National Police Agency.[1]

Background

Before World War II, the Tokyo Metropolitan Police Department (TMPD) established the . During the war, as air raids on Japan intensified and civilian casualties increased, the TMPD ESU was enhanced for relief missions and renamed as the . At the same time, it was decided to set up similar units in other prefectures with major cities. However, in 1946, the Security Units were disbanded as part of police reforms enacted by the Supreme Commander for the Allied Powers under the occupation.

Shortly after the TMPD ESU was disbanded, the was created for the same role. In 1948, this unit was reinforced to the . In addition, similar but smaller-scale riot squads were created in several other prefectures to deal with post-war turmoil. In 1952, under the direction of the, the Riot Police Units were created with 20 prefectures with large cities. In 1957, the TMPD Reserve Units were renamed the Riot Police Unit. By 1962, all PPHs had the same kind of units.

Organization

Riot Police Units comprise the main strength of the of each prefectural police headquarters. Most PPHs have only one unit, but some urban PPHs have multiple units. For example, there are ten units (nine ordinary units and one Special Vehicle Unit) in the TMPD.[2]

Each unit consists of a headquarters and some companies.[3] The public relations divisions, known as "DJ cops", are placed in each unit headquarters. They rely on eloquent and humorous speaking to prevent crowd disasters.[4]

Specialist squads

The equipment of the anti-riot officers is largely the same as that of regular police officers. However, equipment used in riot control operations, such as protective gear, may differ. And within the Riot Police Units, there are certain squads with specific equipment and training.

Counterterrorism

As a response to the Kin Kiro Incident, the NPA requested the establishment of the for every PPHs in 1969, and until 1973, all PPHs had these kind of squads as a part of the Riot Police Units.
  • At this time, these squads were part-time sniper teams called only when needed. Then, in 1996, they were reorganized as local full-time counterterrorism squads cooperating with the national-level Special Assault Teams.[5] Also since 2002 Heckler & Koch MP5 submachine guns have been deployed, the equipment has also been strengthened.
  • Its current strength is about 1,900 officers. They are mainly mandated for gun violence, and also serve as first responders for emergency situations at nuclear power plants. Certain units with enhanced capabilities are established in urban prefectures, such as the Emergency Response Team (ERT) of the TMPD,[6] the Armed Response Team (ART) of the Osaka PPH,[7] [8] and the Riot And Tactics Squad (RATS) of the Saitama PPH.
    Chemical, biological and nuclear defense squads. In some PPHs, they had been enhanced as an independent unit. They work in coordination with the AFS and the SAT.
    Bomb disposal squad
    [9]

    Search and rescue

    Technical rescue squads equipped with Heavy rescue vehicles. Ordinary rescue squads are part-time units, but in the Security Bureau of the TMPD (outside of its Riot Police Units), there is also, the only full-time rescue team in Japanese police.[10]
  • In 1969, the TMPD established a Ranger squad in its 7th Riot Police Unit under the support of the Japan Ground Self-Defense Force. Its primary mission was mountain rescue, but with its superior mountaineering skills, this squad was used to deal with hostage rescue missions such as the Asama-Sansō incident.[11]
  • In 2001, the TMPD reorganized its Ranger squad into the and the, combines firearms and mountaineering capability.[12]
    Public safety diving and rescue swimmers squads.

    Also, as non-permanent units prepared for large scale disasters, the have been established based on the lesson of the Great Hanshin earthquake. Members of these units work mainly in Riot Police Units or Regional Riot Police Units during peacetime, but they regularly gather and train in preparation for disasters.

    Reserves

    Full-time riot police units can also be augmented by auxiliary riot police units with regular police officers trained in riot duties. There are two types of auxiliary riot police units:

    These units operate as a reserve duty forces under control of each PPH, temporary formation units being organized by gathering police officers who usually work at police stations. In the TMPD, these kind of units are referred to as the .[2]
  • These units are under control of Regional Police Bureaus of the NPA for regional operations as reinforcements to the other prefectures. In many prefectures, they are part-time units organized by members selected from the front-line units of each PPHs, such as inter-regional patrol units or mobile investigation units; but in some prefectures, they are full-time units and usually deployed in the same way as regular Riot police units under the command of each PPHs. Even though they are reserves, they are well equipped and trained not much different from regular units according to the national standards of the NPA.

    • Operational history

    Riot Police Units have been widely deployed in dealing with large civil disorder, disaster response, counter-terrorism operations, and so on as below:

    (1952)
  • Some of the International Workers' Day protesters were incited by Zengakuren and Chōren, causing riots. As a result, some of the TMPD Reserve Units members were forced to use pistols because of the frequent occurrence of violent acts, such as burning foreigners' cars and throwing policemen into the moat.
    Humanitarian response to the (1959)
  • Many Riot Police Units were dispatched from other police headquarters because of the large-scale flood damage. In particular, the Second Riot Police Unit of the TMPD were highly appreciated, and became known as "Kappa".
    (1969)
  • At the University of Tokyo, the student movement had been intensifying since 1968, triggered by a demand for improvement in the treatment of internships at the Faculty of Medicine. Then, with the left-wing rebel groups joined this movement to find allies for the Anpo protests, they stood up in the school buildings and brought in weapons such as Molotov cocktails. With university officials unable to deescalate the incident, TMPD Riot Police Units were deployed to retake the occupied school buildings.
    Asama-Sansō incident (1972)
  • The United Red Army had been trained in the mountains, but was discovered by the Riot Police Unit of the Nagano PPH, turned into a gunfight and held hostage. After a 10-day siege, Nagano PPH, with the support of TMPD, Kanagawa and Yamanashi PPH, carried out a rescue operation. The criminals fired guns, threw bombs and violently resisted, while one Superintendent and one Chief inspector of the TMPD Riot Police Unit were killed and many police officers were injured, but all five criminals were arrested and the hostage was also rescued safely.
    Activities against Aum Shinrikyo (1995)
  • In response to the Tokyo subway sarin attack, the TMPD Riot Police Units worked with the Tokyo Fire Department to rescue the victims. They also assisted the detectives raiding into the facilities at Yamanashi Prefecture. For this task, they borrowed personal protective equipments from the SDF.
    Humanitarian response to the 2011 Tōhoku earthquake and tsunami
  • In response to the massive damage caused by the tsunami, the Police mobilized Riot Police Units, Regional Riot Police Units and Interprefectural emergency rescue units in an effort to rescue them. And as the reaction to Fukushima Daiichi nuclear disaster, Riot Police Units conducted evacuation guidance for the elderly and patients, and also carried out water discharge to the reactor building and measured the air radiation dose.

    References

    Bibliography

    Notes and References

    1. Web site: https://web.archive.org/web/20120306100535/http://www.npa.go.jp/english/kokusai/33.pdf. 6 March 2012. Various Activities, Dignitary Protection. 13 October 2010. Japanese National Police Agency.
    2. Web site: Tokyo Metropolitan Police Department. Introduction of each Riot Police Units. 11 April 2016. Japanese.
    3. Web site: Tokyo Metropolitan Public Safety Commission. 1 April 1972. Rules of Organization of the Tokyo Metropolitan Police Department. Japanese. 2 November 2016.
    4. Web site: 11 June 2013. Japan Today. Japan Today. 'DJ Cop' at Shibuya crossing a hit on YouTube. 2 November 2016.
    5. 警察庁通達「銃器対策部隊の編成について」平成8年4月1日丙備発第50号
    6. News: Anti-terrorism squad to be deployed at Tokyo fireworks display. 26 July 2016. Japan Times.
    7. Web site: Osaka police form armed unit to respond to gun-related incidents.
    8. Web site: Osaka police to set up armed unit to respond to gun incidents：The Asahi Shimbun . www.asahi.com . 12 January 2022 . https://web.archive.org/web/20170331174636/https://www.asahi.com/ajw/articles/AJ201703310001.html . 31 March 2017 . dead.
    9. http://www.npa.go.jp/hakusyo/r01/english/p6-11.pdf
    10. News: 2013. Betting life to work Vol.63. Tosei-shinbun.
    11. Book: Sassa, Atsuyuki.

      ja:佐々淳行

      . 1999. Rengo Sekigun Asama Sanso Jiken. Bungeishunjū. 211. 978-4167560058.
    12. Web site: 第七機動隊. 警視庁 警備第一課 管理第一係. 23 June 2018.

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