Newly-appointed Chancellor Nadhim Zahawi is reportedly being investigated by HM Revenue & Customs over his tax affairs.
The Tory leadership candidate has denied any wrongdoing in response to a story in the Sunday Times today.
Mr Zahawi, 55, has pledged to co-operate with any inquiries. A spokeswoman for the Stratford-upon-Avon MP said: “All Mr Zahawi’s financial interests have been properly and transparently declared.