The service was labelled free but was actually via an 070 number that charged 38p per minute.

BBC: Oftel issues scam warning

The AA said that the average price of diesel is 143.39p a litre, having peaked this year at 146.38p.

BBC: Diesel price cut at UK supermarkets

The shares, which closed at 487.5p on their launch day last year, have not closed above 38p since June.

BBC: Lastminute.com's losses widen

The news saw the firm's share price fall by more than 50%, from 11.38p at the close of trade on Tuesday to 5.58p within the first hour of trading on Wednesday.

BBC: Stirling insulation firm Superglass issues debt warning