She alleged Latham demand she call him “Master”, defecated on her before sex, and drove his car at her, with his side mirror hitting her and “causing a bruise”. This masthead does not suggest that the claims against Latham are true, only that they have been made.

Latham denied the allegations, calling her claims “nonsense”.

Mark Latham and Nathalie Matthews at Randwick Racecourse last year.

Mark Latham and Nathalie Matthews at Randwick Racecourse last year.Credit: James Brickwood

“I have broken no law. The police did not involve themselves in [Matthews’ apprehended violence order] matter,” he said at the time.

The pair were in what Latham called a “casual, open arrangement” for over two years. The pair’s relationship ended on May 27, the same day Latham was involved in a vote to decide the future of Rosehill Gardens racecourse.

Matthews’ arrest comes one day after Latham was escorted by police from a venue at Royal Randwick Racecourse after refusing to leave when asked by management.

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Around 2pm on Saturday, police escorted Latham from the Grandview restaurant during the Epsom Day racing event. He resigned his membership after allegedly verbally abusing a club official at Rosehill Racecourse in April, a spokesperson for the Australian Turf Club said.

The two incidents are not related.

Support is available from the National Sexual Assault, Domestic Family Violence Counselling Service at 1800RESPECT (1800 737 732).