The dossier, published yesterday by the Labour MP Frank Field, accuses the firm of Victorian-style “sweated labour” and says the company should set up an emergency helpline for underpaid drivers.

He and Field have co-authored two reports on the gig economy: "Wild West Workplace: self-employment in Britain’s ‘gig economy’" (September 2016); and "Sweated Labour: Uber and the ‘gig economy’" ...