Gwyn Williams was over taken by the ambulance shortly before the crash and told ITV news what he saw:
He had been driving along the A336 between Brockenhurst and Lyndhurst in the New Forrest.
More top news
Find out how the new data laws affect the general public and businesses.
The statement comes after President Donald Trump cancelled his planned summit with Kim Jong Un.
Sophie Lionnet’s devastated parents say the killers “do not deserve to live”.