Aaron Sharpe had been on a day out to the coast with friends

The people died when a BMW crossed the central reservation of the A23 into the path of an oncoming Land Rover Freelander on Sunday afternoon.

Gloria Marshall, mother of 18-year-old Katherine and 20-year-old Aaron Sharpe, from Crawley, West Sussex, said the heart had been lost from her family.

"We will never forget the tender spirits who have gone ahead," she said.

I just miss her so much Terry Smoker, father of Gemma

At a press conference held at Haywards Heath police station on Thursday, she said their two brothers and two sisters were also "devastated".

"So many people's lives will never be the same again as a result of what happened on that fateful Sunday," she said.

Terry Smoker, father of 17-year-old Gemma, said his daughter had lived life to the full.

"There's nothing in the world that can prepare you for the loss of your daughter.

"They were just on a day out down the coast.

Gemma Smoker and Katherine Sharpe were studying hairdressing

"I just miss her so much," he said.

Mr Smoker said his daughter Gemma had been best friends with Katherine right the way through school.

They were both due to qualify as hairdressers in July.

Stephen Mohabir, the only survivor of the crash, is recovering in hospital with a fractured leg.

His two-year-old son Marcus, who was travelling with him in the Land Rover Freelander, died one day after the accident.

The other victims were Mitch Treliving, 19, Danielle Billingham 17, from Crawley, and Toby Beasley, 33, and his wife Kate, 29, from Godalming in Surrey.

Police investigations into the cause of the crash are continuing.