In a television interview with ITV1's Tonight show filmed last year and to be broadcast at 8pm tonight, Newport nurse, Natasha Hogan described the horrific moment her family disappeared over the edge of the hotel-room balcony.

She said she will never "never forgive" her ex-husband and sees the image of her dying son "every minute" of the day.

"He was my best friend, father of my children. I know he's going to be a different man and that scares me the most about the trial, actually seeing him," she added.

The couple were divorced in June last year.

When asked what should happen to Hogan at the trial, she says: "I don't care what the outcome is because I know his sentence is inside his own head and I know until that man dies he will hate himself for what he's done, and like I said, he's got a life sentence in his head."

The couple had several rows before Hogan leapt from the balcony and Mrs Hogan says Hogan confronted her a number of times on the day of the incident demanding to know if she intended to divorce him.

According to Mrs Hogan, her ex-husband said he was going to book flights for them to return home immediately and had gone to pack the suitcases.

She intervened because he wasn't doing it correctly.

She said: "He had a crazed look in his eye and I remember the look and I thought 'Whoah, you know, I've not seen that look before.'..."

"And with that he started saying 'John's packing is....crap,' and shouting those words over and over again and running round the room, throwing every bit of contents out the cases around the room.

"And the next thing I know I turn around and no one is in the room. They've all gone."

Mrs Hogan said she rushed downstairs from her hotel room and saw her son crumpled on the ground: "In my 12 to 14 years of nursing, I've never seen anyone look so close to death.

"Just the colour in his face, it was grey. He was in a heap, there was blood everywhere and the images of where the blood was coming from - his head - have only come back to me in later months.

"Since that day and every day since I get images of my little boy dying in my mind, every minute, every five minutes, whenever my brain is free and I can now see the head injuries that he had."