Inspector Helen Thomas, of West Mercia Police, has told the Shropshire Star: "There was an incident involving a dog and a baby, where the baby was bitten.
"It was not a dangerous dog. It was a small dog and a family pet. We will know more following the post mortem.”
More top news
The letter was signed by the CBI, British Chambers of Commerce, the EEF, the Institute of Directors and the Federation of Small Businesses.
A spokesperson said Rory Stewart's remarks were in line with the British government’s stated position.
The minister's intervention will come a week after Trump decertified the landmark agreement claiming it was not in the US national interest.