Unite Scotland’s regional secretary Derek Thomson made his comments as he appeared before Holyrood’s Economy and Fair Work Committee.

Lilian Greenwood, minister for the future of roads, which includes road safety, said: “Drink-driving ruins lives, but even one or two drinks could cause a young person to lose their licence – ...

Payne, 31, died on October 16 after falling from the third-floor balcony of a hotel in the Argentine capital Buenos Aires.

The Independent Office for Police Conduct said the 38-year-old woman died in the collision in south-east London on October 17.

Mr Philp told delegates: “The police are not here to police thought. You’re not the thought police,” and added: “Investigations should not trespass upon free speech.” Probes should “not be directed at ...