Donald Trump has been urged by UK-based supporters to stay away from London in his upcoming visit to Britain, in order to avoid major protests.
In a letter to the US President, six conservative groups recommend he should instead focus his visit on his ancestral home of Scotland, including a meeting with the Queen at Balmoral.
Plans for a working visit to the UK in 2018 were announced when Mr Trump met Prime Minister Theresa May at Davos in January, with speculation rife the trip could take place in July.
The most hotly-tipped date is July 13, following the Nato summit which the president is due to attend in Brussels on the previous days.
Downing Street has remained tight-lipped on the timing, saying only that details will be announced in due course.
Mr Trump cancelled a planned trip to London to open the new US embassy in Vauxhall earlier this year, complaining the move to an "off location" south of the Thames had been a bad deal.