Donald Trump's woes are continuing to mount as further sexual harassment claims have emerged, accusing him of looking up women's skirts in a restaurant in the 1990s.

Lisa Boyne, CEO of a health food company, claims that in the summer of 1996 she saw Trump make a series of women walk up and down a restaurant table so that he could announce whether they were wearing underwear.

'It was the most offensive scene I've ever been a part of,' Boyne told The Huffington Post Thursday. 'I wanted to get the heck out of there.'

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Accused: Donald Trump has been accused by Lisa Boyne (right) of making models walk on a table at a meal in 1996 so he could look up their skirts. Trump (seen left in 1996) denies claims

Comments: Boyne says she and pal Sonja Morgan (pictured, of 'Real Housewives of New York') watched as Trump looked up models' skirts and commented on their underwear or genitals

According to Boyne, she and friend Sonja Tremont - better known today as Sonja Morgan of 'Real Housewives of New York' - had been invited to dinner in Manhattan with Trump and late modelling agent John Casablancas.

Boyne, then 25, and Morgan were taken to the meal in Trump's limo, and had to endure his tales of the women he'd bedded on their way to the restaurant - complete with ratings of how attractive he found them.

But the evening got even more upsetting, she said, when they arrived.

The trio met with Casablancas at the restaurant to find that he had brought along five or six models.

The group were packed into a semicircular table with one man at each end.

That meant the women could not get out of their seats without either Casablancas or Trump vacating their own. And they didn't, said Boyne.

Instead, any woman wanting to leave the table would have to get up and walk along it, at which point Trump 'stuck his head right underneath their skirts' to examine their underwear.

He would then comment on whether they were wearing anything - and if not, what he thought of their genitals, Boyne said.

Boyne, who was working for IBM at the time according to her LinkedIn page, says she was not there as a model and Trump made no passes at her - but did ask her to tell him which model he should sleep with.

Models: Models were provided by the late John Casablancas (left with Trump in 1991), Boyne said, and the men sat at opposite ends of the table so women could only leave by walking on it

Denial: Tremont (pictured) recalled the meal, Casablancas, Trump and the models but said she didn't remember the women having to walk on the table

Eventually, she says, she insisted the men allow her to stand. She says she called her roommate, who advised her to fake an illness and leave.

'I met lots of famous, influential wealthy people with Sonja, and none of them were ever as vulgar, as disgusting, as rude, as sexist (as Trump), such a low excuse for a human being that I've ever met,' Boyne said.

When asked why she waited until now to voice her story, Boyne said she had a 'flashback' while reading a May New York Times story about Trump's interactions with women.

And she claimed that she hoped joining the chorus of women speaking out against Trump this week would give the stories 'legitimacy.'

A Trump spokeswoman denied the whole story, telling The Huffington Post: 'Mr Trump never heard of this woman and would never do that.'

And while Morgan confirmed that the dinner did indeed take place - complete with Trump and Casablancas's models - she said she didn't recall Trump's alleged lechery.

'I don't remember any of that kind of behavior,' she told the Post. 'But I have been known to dance on tables.'

Boyne's roommate, Karen Beatrice, also said that while the meal did take place, she doesn't remember the phone call - and added that Boyne is 'a publicity seeker.'

She also said that when she met Trump on another occasion he was 'gracious and charming.'

'Harassed': Boyne's claim comes after six women came forward to complain that Trump harassed them. They include former Miss USA contestant Temple Taggart (pictured)

'Kissed': Taggart (pictured second from right at the pageant) says Trump forcibly kissed her in 1997, and then again when she met him later in New York

This week saw a number of women coming forward to complain that Trump had sexually harassed or assaulted them.

Jessica Leeds, a 74-year-old former businesswoman who lives in Manhattan, said she was 'assaulted' by Trump on a flight when she was 38.

Rachel Crooks claimed that Trump kissed her on the mouth without permission in an elevator in 2005, when she was a 22 and working as a receptionist at a company based in Trump Tower in Manhattan.

Melinda McGillivray, 36, said that Trump had grabbed her backside 13 years ago while she was helping out a photographer at his Mar-a-lago mansion.

Natasha Stoynoff, a writer for People Magazine, claims that he forcibly pushed her against a wall and kissed her when she was interviewing him in 2006.

'Groped': Jessica Leeds (left on CNN this week, right in 1978) claimed Trump fondled her while she was on a plane with him. She said he was 'like an octopus'

Upset: Rachel Crooks (left) and Melinda McGillivray (right) say they were upset by Trump's alleged advances. Crooks says he forcibly kissed her and McGillivray says he groped her

Temple Taggart, a former Miss USA contestant, says that Trump forcibly kissed her in 1997, when she was 21, after she tried to introduce him to her father. She says he did it again when she met him later in New York.

And Cassandra Searles, another former Miss USA contestant, accused Trump of repeatedly grabbing her buttocks and asking her to go back to his hotel room.

She made the claims earlier in the year, but they had been highlighted by recent events.

Trump has denied all of the claims.