The programme filmed undercover at secondary ticketing site Viagogo, exposing the practice of promoters who allocate thousands of pre-sale tickets to the secondary market - where they are sold at up to five times their face value.

It was alleged that promoters including SJM, Metropolis, 3A Entertainment and Live Nation all engaged in the practice.

However, Live Nation - which Dispatches claimed was selling new Rihanna and Westlife tickets on Viagogo - has revealed to Music Week that it only ...