Anderson was born in the Bogside in Derry , Northern Ireland , into a large family with a tradition of Irish republicanism . Her father was a Protestant . She has six sisters and three brothers , one of whom , Peter , is a Sinn Féin councillor . Anderson was arrested aged 18 leaving a furniture store in Derry and charged with possession of a firearm and causing an explosion . She was released on bail after spending two months in Armagh Women 's Prison and fled across the border to Buncrana in County Donegal . Anderson was again arrested on 24 June 1985 at a flat in Glasgow with four other IRA members including Brighton bomber Patrick Magee . On 11 June 1986 , all five were convicted of conspiring to cause explosions in England , although Magee was the only person convicted in relation to the Brighton hotel bombing
Brighton hotel bombing
Brighton hotel bombing
Martina Anderson