explodes in a night club at an Umlazi hotel and 30 children are injured. August – In Queenstown, Eastern Cape, Bill Mentoor becomes the first person to be necklaced by having a petrol-filled car tyre placed around his neck and set alight. September 27–28 – Limpet mines damage the basement of OK Bazaars in Smith Street, Game Stores and Checkers, all supermarkets in central Durban, while a limpet mine is defused in Spar in central Durban. Trevor Manuel is detained by police and is subsequently banned until 1990, but the ban was to be lifted in 1986. October 15 – Three Coloured youths are killed and 15 others wounded during the 'Trojan Horse Massacre' when South African security force members, hiding in the back of an unmarked truck, ambush and open fire on a stone-throwing crowd in the township of Athlone, Cape Town. The incident is captured by an international television crew and broadcast across the world. 24 – A limpet mine detonates whilst being armed at Grosvenor Girls School, Bluff, Durban, killing Zinto Cele, Mandlenkosi Ndimande and injuring Sibusiso Mazibuko. 30 – Parliamentary by-elections are held for five seats. The National Party retains four seats and loses the fifth to the Herstigte Nasionale Party. The home of an Umlazi school headmaster is attacked with a hand grenade. November 17 – The Queenstown Massacre, 2000 residents from Mlungisi township in Queenstown, Eastern Cape, gathered in Nonzwakazi Methodist Church. 25 – An "Aeroflot" Antonov AN-12 cargo airplane, en route from Cuito Cuanavale to Luanda, is shot down by South African Special Forces and crashes approximately 43 km of Menongue, killing 8 crew members and 13 passengers on board. Four people are killed in 20 hand grenade attacks in the Cape Town region. A bomb damages a central Johannesburg building housing the Institute of Bankers. Sasol 2 and 3 come under rocket attack and three insurgents are killed by police. An anti-tank mine explodes in the Soutpansberg area and four defence force members and four civilians are injured. Four guerrillas are killed and two injured by Bophutatswana Police. A hand grenade explodes at a Barclays National Bank branch in Woodstock, Cape Town. December 8 – The Chesterville home of a policeman is bombed. 13 – A South African Army anti-mine troop carrier detonates an anti-tank mine in Messina and one soldier is injured. 14 – A guerrilla is killed in Chiawelo. 15