By Graham Hiscott Up to 60,000 workers have been hounded by the taxman in a scandal which has been compared in severity to the Post Office Horizon controversy. HM Revenue and Customs has admitted that there have been 10 suicides linked to its pursuit of “loan charges”. One woman had an abortion because of a crippling tax demand, the Commons was told yesterday, as ministers were called on to intervene and launch an independent inquiry. While HMRC has gone after individuals – including teachers, nurses and cleaners – it is said to have ignored firms that made hundreds of millions of pounds promo…