Ukip's newly-selected Newark candidate Roger Helmer has told ITV News political correspondent Libby Weiner that the seat is an "enormous opportunity for the party".
Asked if some of his views regarding homosexuality were controversial, he replied: "They were a couple of peripheral comments made more than 10 years ago. The world has changed, it's a new place now."
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His mother Princess Diana was killed in a car crash in Paris in 1997 when he was just 12 and his brother William was 15.
The 21-year-old, who was arrested on Sunday, also allegedly injured two other people in the attack in the German city of Reutlingen.
She was going to the aid of a family member who got out of the car in the middle of the park and was dragged away by a different tiger.