> A statement from the team said Hunter had "fought through difficult challenges, including the vicious personal attacks of recent months, only to emerge stronger".

> The 50-year-old said he had learned of the investigation on Tuesday. He did not disclose any further details.

> "I take this matter very seriously but I am confident that a professional and objective review of these matters will demonstrate that I handled my affairs legally and appropriately, including with the benefit of professional tax advisers," he said.