Turnberry, UK - President Donald Trump played golf on the first full day of his visit to Scotland Saturday, as protesters prepared to take to the streets across the country.

Trump emerged from his Turnberry resort with son Eric and waved to photographers following his arrival in Scotland on Friday evening.

His presence has turned the picturesque and normally quiet area of southwest Scotland into a virtual fortress, with roads closed and police checkpoints in place.

Officers on quad bikes or horses, others on foot with sniffer dogs, patrolled the famous course – which has hosted four men's British Opens – and the sandy beaches and grass dunes that hug the course.

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The 79-year-old touched down Friday at nearby Prestwick Airport, as hundreds of onlookers came out to see Air Force One and try to catch a glimpse of its famous passenger.

The president has professed a love of Scotland, where his mother was born, but his far-right politics and business investments in the country have made for an uneasy relationship.

Speaking to reporters on the tarmac, Trump immediately vocalized his anti-migrant views.

"You better get your act together or you're not going to have Europe anymore," he said, adding that it was "killing" the continent.

Trump's five-day visit has divided the local community.

"A lot of people don't trust Trump and I'm one of them. I think the man is a megalomaniac," retiree Graham Hodgson told AFP.

"He's so full of himself. I think he's doing a lot of damage worldwide with his tariffs. And I think it's all for the sake of America, but at the moment I think America is paying the price as well for his policies."

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But at Prestwick Airport, a boy held a sign that read "Welcome Trump" while a man waved a flag emblazoned with Trump's most famous slogan – "Make America Great Again."

"I think the best thing about Trump is he's not actually a politician yet he's the most powerful man in the world and I think he's looking at the best interests of his own country," said 46-year-old Lee McLean, who had traveled from nearby Kilmarnock.

"Most politicians should really be looking at the best interests of their own country first before looking overseas," he told AFP.

As the police rolled out a massive security operation, the Stop Trump Coalition announced demonstrations on Saturday near the US consulate in Edinburgh and another in Aberdeen, where Trump owns another golf resort.

Police are also monitoring any other protests that might spring up near Turnberry.

Trump has no public meetings in the schedule for Saturday, but he is due to discuss trade with EU chief Ursula von der Leyen on Sunday and meet UK Prime Minister Keir Starmer.