1984 State papers: FitzGerald said redrawing North's border would be 'fatal mistake'

Redrawing the North's border would be a “fatal mistake”, ex-Taoiseach Garret FitzGerald privately warned Margaret Thatcher, secret files have revealed.

During robust, rapid-fire exchanges at a critical summit in the run up to the Anglo Irish Agreement, Mrs Thatcher argued that giving Dublin an official role in the running of the region would plunge it into civil war.