The Warrenpoint ambush, also known as the Narrow Water ambush, the Warrenpoint massacre or the Narrow Water massacre, is a guerrilla attack by the Provisional Irish Republican Army (IRA) on August 27, 1979. The IRA’s South Armagh Brigade ambushes a British Army convoy with two large roadside bombs on the A2 road at Narrow Water Castle, just outside Warrenpoint, County Down, Northern Ireland.

The road and castle are on the northern bank of the Newry River, which marks the border between Northern Ireland and the Republic of Ireland. The Republic’s side of the river, the Cooley Peninsula in County Louth, is an ideal spot from which to launch an ambush. It is thickly wooded, which gives cover to the ambushers, and the river border prevents British forces from giving chase.

On the afternoon of August 27, a British Army convoy of one Land Rover and two four-ton lorries carrying soldiers of the 2nd Battalion, Parachute Regiment is driving from Ballykinlar Barracks to Newry. The British Army is aware of the dangers of using the stretch of road along the Newry River and often declares it out of bounds. However, they sometimes use it to avoid setting a pattern. At 4:40 p.m., as the convoy is driving past Narrow Water Castle, an 800-pound fertiliser bomb, hidden among bales of straw on a parked flatbed trailer, is detonated by remote control by IRA members watching from across the border in County Louth. The explosion catches the last lorry in the convoy, hurling it onto its side and instantly killing six paratroopers, whose bodies are scattered across the road. There are only two survivors amongst the soldiers traveling in the lorry, both of whom receive serious injuries. The lorry’s driver, Anthony Wood (19), is one of those killed. All that remains of his body is his pelvis, welded to the seat by the fierce heat of the blast.

According to the soldiers, immediately after the blast they are targeted by rifle fire from the woods on the Cooley Peninsula on the other side of the border, with this view supported by two part-time firefighters assisting the wounded. Shortly afterwards, the two IRA members arrested by the Garda Síochána and suspected of being behind the ambush, are found to have traces of gunsmoke residue on their hands and on the motorbike they are riding. The IRA’s first statement on the incident, however, denies that any shots had been fired at the troops, and according to Royal Ulster Constabulary (RUC) researchers, the soldiers might have mistaken the sound of ammunition cooking off for enemy gunfire. Nevertheless, at the official inquiry the soldiers declare on oath that they had been fired on.

The surviving paratroopers radio for urgent assistance, and reinforcements are dispatched to the scene by road. A rapid reaction unit is sent by Gazelle helicopter, consisting of Lieutenant Colonel David Blair, commanding officer of the Queen’s Own Highlanders, his signaler Lance Corporal Victor MacLeod, and army medics. Another helicopter, a Wessex, lands to pick up the wounded. Colonel Blair assumes command once at the site.

William Hudson, a 29-year-old from London, is killed by the British Army and his cousin Barry Hudson, a 25-year-old native of Dingle, is wounded when shots are fired across the Newry River into the Republic of Ireland about 3 km from the village of Omeath, County Louth.

The pair are partners in ‘Hudson Amusements’ and had been operating their amusements in Omeath for the duration of the Omeath Gala. When the first explosion is heard across the Lough, the pair go down to the shore to see what is unfolding. The pair makes their way to Narrow Water on the southern side of the border to get a better view of what is happening on the northern side. Barry Hudson is shot in the arm and as he falls to the ground he sees his cousin, who is the son of a coachman at Buckingham Palace, fall to the ground, shot in the head. He dies almost immediately.

The IRA had been studying how the British Army behaves after a bombing and correctly predicts that they would set up an incident command point (ICP) at the stone gateway on the other side of the road. At 5:12 p.m., thirty-two minutes after the first explosion, another 800-pound bomb hidden in milk pails explodes at the gateway, destroying it and hurling lumps of granite through the air. It detonates as the Wessex helicopter is taking off carrying wounded soldiers. The helicopter is damaged by the blast but does not crash.

The second explosion kills twelve soldiers, ten from the Parachute Regiment and the two from the Queen’s Own Highlanders. Lieutenant Colonel Blair is the second Lieutenant Colonel to be killed in the Troubles up until then, following Lieutenant Colonel Corden-Lloyd of the 2nd Battalion Royal Green Jackets in 1978. Only one of Colonel Blair’s epaulettes remains to identify him as his body had been vaporised in the blast. The epaulette is taken from the scene by Brigadier David Thorne to a security briefing with Prime Minister Margaret Thatcher to “illustrate the human factor” of the attack. Mike Jackson, then a major in the Parachute Regiment, is at the scene soon after the second explosion and later describes seeing human remains scattered over the road, in the water and hanging from the trees. He is asked to identify the face of his friend, Major Peter Fursman, still recognisable after it had been ripped from his head by the explosion and recovered from the water by divers from the Royal Engineers.

Press photographer Peter Molloy, who arrives at the scene after the first explosion, comes close to being shot by an angry paratrooper who sees him taking photographs of the dead and dying instead of offering to help the wounded. The soldier is tackled by his comrades. Molloy says, “I was shouted at and called all sorts of things, but I understood why. I had trespassed on the worst day of these fellas’ lives and taken pictures of it.”

The Warrenpoint ambush is a victory for the IRA. It is the deadliest attack on the British Army during the Troubles and the Parachute Regiment’s biggest loss since World War II, with sixteen paratroopers killed. General Sir James Glover, Commander of British forces in Northern Ireland, later says it was “arguably the most successful and certainly one of the best planned IRA attacks of the whole campaign.” The ambush happens on the same day that Lord Mountbatten, a prominent member of the British royal family, is killed by an IRA bomb aboard his boat at Mullaghmore, County Sligo, along with three others.

Republicans portray the attack as retaliation for Bloody Sunday in 1972 when the Parachute Regiment shot dead 13 unarmed civilians during a protest march in Derry. Graffiti appears in republican areas declaring “13 gone and not forgotten, we got 18 and Mountbatten.” The day after the Mountbatten and Warrenpoint attacks, the Ulster Volunteer Force (UVF) retaliates by shooting dead a Catholic man, John Patrick Hardy (43), at his home in Belfast‘s New Lodge estate. Hardy is targeted in the mistaken belief that he is an IRA member.

Very shortly after the ambush, IRA volunteers Brendan Burns and Joe Brennan are arrested by the Gardaí. They are stopped while riding a motorbike on a road opposite Narrow Water Castle. They are later released on bail due to lack of evidence. Burns dies in 1988 when a bomb he is handling explodes prematurely. In 1998, former IRA member Eamon Collins claims that Burns had been one of those who carried out the Warrenpoint ambush. No one has ever been criminally charged.

According to Toby Harnden, the attack “drove a wedge” between the Army and the RUC. Lieutenant General Sir Timothy Creasey, General Officer Commanding Northern Ireland, suggests to Margaret Thatcher that internment should be brought back and that liaison with the Gardaí should be left in the hands of the military. Sir Kenneth Newman, the RUC Chief Constable, claims instead that the British Army practice, since 1975, of supplying their garrisons in south County Armagh by helicopter gives too much freedom of movement to the IRA. One result is the appointment of Sir Maurice Oldfield to a new position of Co-ordinator of Security Intelligence in Northern Ireland. His role is to co-ordinate intelligence between the military, MI5 and the RUC. Another is the expansion of the RUC by 1,000 members. Tim Pat Coogan asserts that the deaths of the 18 soldiers hastens the move to Ulsterisation.

Lieutenant Colonel Blair is remembered on a memorial at Radley College, Oxfordshire.