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Skripal poisoning

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Skripal poisoning
NameSergei Skripal and Yulia Skripal
Birth date1951 (Sergei); 1978 (Yulia)
Birth placeBaku, Azerbaijan SSR (Sergei); Moscow (Yulia)
NationalityRussian
OccupationIntelligence officer
Known for2018 poisoning incident in Salisbury

Skripal poisoning was a 2018 assassination attempt in Salisbury that targeted former GRU colonel Sergei Skripal and his daughter Yulia Skripal using a nerve agent. The event produced an international security crisis involving United Kingdom, Russia, Organisation for the Prohibition of Chemical Weapons, and multiple NATO and European Union actors. It prompted diplomatic expulsions, criminal inquiries, forensic toxicology investigations, and debates in Parliament and international law forums.

Background

Sergei Skripal had served as a colonel in the GRU and was convicted in Moscow in 2006 for espionage on behalf of the United Kingdom; he was among the swap group in the 2010 Spy swap between Russia and United States mediated partly by Switzerland. His arrival in Salisbury placed him under the purview of MI5 and the Met Police within a broader context of post-Cold War intelligence disputes involving entities such as CIA, MI6, FBI, and the European Court of Human Rights. Prior incidents involving Alexander Litvinenko in London, the 2014 poisoning of Viktor Yuschenko in Ukraine, and alleged operations attributed to SVR and FSB framed public concern. International frameworks implicated included the Chemical Weapons Convention, the OPCW, and sanctions mechanisms used by the U.S. State Department, European Union, and NATO.

Poisoning incident

On 4 March 2018, Sergei Skripal and Yulia Skripal were found unconscious on a bench in Salisbury and hospitalized at Southampton General Hospital and later at Royal Berkshire Hospital. Initial responses involved Wiltshire Police, Metropolitan Police Service, and MI5. Medical teams from NHS England and chemical hazard units from DSTL at Porton Down were engaged. Toxicology assessments indicated exposure to a Novichok-class nerve agent reportedly developed during the Soviet Union era by laboratories associated with Soviet research, with alleged links to facilities in Shikhany, GosNIIOKhT, and programs documented in declassified materials related to Chemical Weapons Development.

Investigation and forensics

The Crown Prosecution Service and Wiltshire Police led the criminal inquiry supported by forensic teams from Forensic Science Service, DSTL, and international laboratories accredited by the OPCW. Investigators traced contamination to multiple sites in Salisbury including a shopping area near The Maltings and a restaurant, prompting wide-area decontamination by contractors and responders from Ministry of Defence, Public Health England, and local councils. Forensic evidence included wipe samples, chromatography, mass spectrometry, and immunoassay results analyzed alongside intelligence from MI6, intercepted communications often handled by GCHQ, and travel records from Heathrow Airport and Gatwick Airport. The UK government identified two suspects as officers of the GRU allegedly operating under aliases; those names and movements were published by Metropolitan Police Service and investigated in parallel by media organizations including BBC News, The Guardian, The Times, The Daily Telegraph, and The New York Times. The OPCW confirmed detection of a nerve agent consistent with Novichok derivatives and published technical findings used in diplomatic exchanges with United Nations bodies.

Diplomatic and political fallout

The incident precipitated a multinational response: 26 countries and NATO allies coordinated expulsions of Russian diplomats from capitals including Washington, D.C., Berlin, Paris, Rome, Canberra, and Ottawa. Theresa May led the UK response in Parliament invoking Article 5 debates within NATO and consultations with the European Union and the United Nations Security Council. Russian President Vladimir Putin and the Russian Ministry of Foreign Affairs denied state involvement, prompting countermeasures including Russian expulsions and suspension of bilateral cooperation channels with United Kingdom, affecting arrangements with entities such as British Council and aviation relations between Aeroflot and BAA London Airports. Legislative bodies including the House of Commons and House of Lords debated sanctions legislation and national security measures; the US Congress and European Parliament issued statements supporting the UK and authorizing sanctions and visa restrictions.

The UK criminal investigation designated the matter a major incident with potential offences under the Offences against the Person Act 1861 and other statutes overseen by the Crown Prosecution Service. The Metropolitan Police Service issued arrest warrants and European investigative cooperation involved agencies such as Europol and national police forces including Bundespolizei and Police Nationale (France). Diplomatic immunity claims and state responsibility raised issues under the Vienna Convention on Diplomatic Relations and provisions of the ICJ and International Law Commission practice. Independent civil claims were considered by victims and families with legal representation before UK courts; international human rights bodies including the European Court of Human Rights received related submissions about state accountability and victim compensation frameworks.

Impact and legacy

The attack influenced policy across counter-proliferation, chemical weapons enforcement, and intelligence cooperation among states including United States, Canada, Australia, New Zealand, and EU member states such as France and Germany. It accelerated legislative measures on sanctions tools in the European Union and the United Kingdom’s post-2019 security posture, affected public health preparedness led by Public Health England and World Health Organization, and informed academic research at institutions like King's College London, Oxford University, and Cambridge University on toxicology, governance, and foreign interference. Media coverage by outlets including Reuters, Associated Press, Al Jazeera, and investigative journalism groups fostered debates about state-sponsored sabotage in peacetime, intelligence accountability, and the protection of former intelligence assets in exile. The case remains a reference point in international relations, chemical weapons non-proliferation dialogues, and legal discussions on attribution and remedies.

Category:2018 crimes in the United Kingdom Category:Assassination attempts Category:Chemical weapon attacks