reg

Beside his death bed, Mrs Crew, now 92, promised to campaign for a change in the law, and said she "never regretted the decision, because it's what Reg wanted."

"For months Reg couldn't go to bed. He would sit in his chair and say he was breathing but not living."

Ms Crew added: "We never regretted what we did because that's what Reg wanted to do."

When Rev Good's book was published, the former Ulster Unionist Party leader Sir Reg Empey said it showed that at the time the DUP was "telling lies".

UK prices are still below those in the US but, as ticketing expert Reg Walker told the BBC, “what happens there happens here five to 10 years later”.