Margaret Hodge, the chair of the Public Accounts Committee, told ITV News: "I understand why they are tempted to go down this route but they are wrong. They should not be engaging in aggressive tax avoidance.
"I have to say the people who benefit from this are the accountants who have set up this system and they are taking money out of the NHS, out of direct services...and pocketing it and that is tax payers' money."
Laura Kuenssberg: NHS Trusts in England accused of avoiding tax
More top news
Last Friday's attack in Tunisia raises not only fears, but also many urgent questions, as millions prepare to jet off for summer breaks.
The pilot of a TransAsia plane switched off its only working engine seconds before it crashed, a new report has revealed.
Alton Towers rollercoaster crash victim Vicky Balch has posted an 'inspired' first picture since losing her right leg.