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The Balcombe Street siege was an incident involving members of the Provisional Irish Republican Army (IRA) and the Metropolitan Police Service of London lasting from 6 to 12 December 1975. The siege ended with the surrender of the four IRA volunteers and the release of their two hostages. The events were televised and watched by millions.[1]


In 1974 and 1975 London was subjected to a 14-month campaign by the Provisional IRA, including gun and bomb attacks. Some 40 bombs exploded in London, killing 35 people and injuring many more. In one incident the Guinness Book of Records co-founder and conservative political activist Ross McWhirter was assassinated; he had offered a £50,000 reward to anyone willing to inform the security forces of IRA activity.[2]

The four members of what became known as the 'Balcombe Street gang' – Martin O'Connell, Edward Butler, Harry Duggan and Hugh Doherty – were part of a six-man IRA Active Service Unit (ASU) that also included Brendan Dowd and Liam Quinn. Quinn had recently shot dead police constable Stephen Tibble in London after fleeing from police officers. The flat he was seen fleeing from was discovered to be a bomb factory used by the unit.[3]

The Balcombe Street siege started after a chase through London, as the Metropolitan Police pursued Hugh Doherty, Joe O'Connell, Eddie Butler and Harry Duggan through the streets after they had fired gunshots through the window of Scotts Restaurant in Mount Street, Mayfair. They had thrown a bomb through the restaurant window a few weeks before on 12 November 1975, killing one person and injuring 15 others. The Metropolitan Police Bomb Squad had detected a pattern of behaviour in the ASU, determining that they had a habit of attacking again some of the sites they had previously attacked. In a scheme devised by a young Detective Sergeant, the Met flooded the streets of London with unarmed plain-clothes officers on the lookout for the ASU. The four IRA men were spotted as they slowed to a halt outside Scotts and fired from their stolen car.

Inspector John Purnell and Sergeant Phil McVeigh, on duty as part of the dragnet operation, picked up the radio call from the team in Mount Street as the stolen Cortina approached their position. With no means of transport readily available, the two unarmed officers flagged down a taxi cab and tailed the men for several miles through London, until the IRA men abandoned their vehicle. Purnell and McVeigh, unarmed, continued the pursuit on foot despite handgun fire from the gang. Other officers joined the chase, with the four IRA men running into a block of council flats in Balcombe Street, adjacent to Marylebone rail station, triggering the six-day stand-off.[4][unreliable source?] Purnell was subsequently awarded the George Medal for his bravery.[5] Several other police officers were also decorated.[6]

The siege

The four men ended up in a flat at 22b Balcombe Street in Marylebone, taking its two residents, John and Sheila Matthews, hostage. The men declared that they were members of the IRA and demanded a plane to fly both them and their hostages to Republic of Ireland. Scotland Yard refused, creating a six-day standoff between the men and the police. Peter Imbert, later Commissioner of the Metropolitan Police, was the chief police negotiator.[7]

The men surrendered after several days of intense negotiations between Metropolitan Police Bomb squad officers Detective Superintendent Peter Imbert and Detective Chief Superintendent Jim Nevill, and the gang's leader Joe O’Connell, who went by the name of "Tom". The other members of the gang were named "Mick" and "Paddy", thereby avoiding revealing to the negotiators precisely how many of them were in the living room of the flat. The resolution of the siege was a result of the combined psychological pressure exerted on the gang by Imbert and the deprivation tactics used on the four men. The officers also used carefully crafted misinformation, through the BBC radio news—the police knew the gang had a radio—to further destabilise the gang into surrender[4]


The four were found guilty at their Old Bailey trial in 1977 of seven murders, conspiring to cause explosions, and falsely imprisoning John and Sheila Matthews during the siege. O’Connell, Butler and Duggan each received twelve life sentences, and Doherty eleven. Each of the men was later given a whole life tariff, the only IRA prisoners to receive this tariff.[2][7]

During their trial they instructed their lawyers to "draw attention to the fact that four totally innocent people were serving massive sentences" for three bombings in Woolwich and Guildford.[8] Despite claiming to the police that they were responsible,[8] they were never charged with these offences and the Guildford Four and Maguire Seven remained in prison for fifteen more years, until it was determined that their convictions were unsafe.[9]


After serving 23 years in UK jails the four men were transferred to the high security wing of Portlaoise Prison, 50 miles (80 km) west of Dublin in early 1998.[7] They were presented by Gerry Adams to the 1998 Sinn Féin Ard Fheis as ‘our Nelson Mandelas’,[3] and were released together with Brendan Dowd and Liam Quinn in 1999 as part of the Good Friday Agreement.[2]

See also

  • Roger Philip Goad
  • Gordon Hamilton-Fairley
  • List of hostage crises
  • List of terrorist incidents in London


  1. Devon & Cornwall Constabulary Historical Videos – Devon & Cornwall Constabulary[dead link]
  2. 2.0 2.1 2.2 1975: Balcombe Street siege ends BBC News "On this day": 12 December 1975
  3. 3.0 3.1 Channel 4 The Year they Blew up London
  4. 4.0 4.1 "The Road To Balcombe Street", Dr. Steven Moysey, Haworth (2007)
  5. Chancellor, Alexander (6 April 2007). "We all rewrite history to make our roles in it more interesting". The Guardian. Retrieved 19 July 2011.  (Note: article title refers to another individual, not Purnell)
  6. "'Sir Ian Blair says they got out of the car and started firing at us ... They didn't fire at him!'". The Guardian. 30 March 2007. Retrieved 19 July 2011. 
  7. 7.0 7.1 7.2 Balcombe Street gang's reign of terror BBC News. Accessed 26 August 2007
  8. 8.0 8.1 Joe O'Connell's speech from the dock
  9. Innocents jailed over bombings BBC News

Coordinates: 51°31′26″N 0°09′44″W / 51.52390°N 0.16228°W / 51.52390; -0.16228

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