Theresa May given stark warning about leaving customs union

Press quote (The Guardian)
18 October 2016

Charles Grant, director of the Centre for European Reform, said that Irish officials feared that the return of customs posts would provoke terrorist attacks. “The British and Irish governments would certainly do everything possible to minimise physical customs checks on the border – perhaps through the use of advanced technology, or simply through checking lorries at towns near the border, rather than at the border itself,” he said.