"We do not comment on matters under criminal investigation, " Jim McGrath told the Houston Chronicle.

BBC: Hacker exposes ex-US President George H W Bush emails

"The Bushes thank everyone for their prayers and good wishes, " family spokesman Jim McGrath said.

BBC: George H W Bush moved out of intensive care

He noted that of the 13 people now presenting Channel 4's racing coverage, only Jim McGrath was over 50.

BBC: Entertainment & Arts

Luck and Balding will be joined by roving reporters Alice Plunkett, Rishi Persad and Emma Spencer, while Jim McGrath will be joined by new recruits Graham Cunningham and Mick Fitzgerald for in-depth analysis.

BBC: Entertainment & Arts