Mr Mohabir suffered a broken leg and internal injuries in the crash

Stephen and Tracy Mohabir are due to become parents again in January.

Their son Marcus died in the crash on the A23 at Pyecombe near Brighton in May, in which the Mohabirs' friends Kate and Toby Beasley were also killed.

Five others died in the accident. Mr and Mrs Mohabir said the news of the pregnancy was a "ray of hope".

No-one will ever replace Marcus, and we are still coming to terms with what has happened Stephen Mohabir

Mrs Mohabir said she found out she was expecting on the day of Marcus' funeral.

Her husband said: "The news of Tracy's pregnancy came completely out of the blue.

"It has been our ray of hope.

"No-one will ever replace Marcus, and we are still coming to terms with what has happened.

"But we are over the moon that Tracy is expecting."

Toby and Kate Beasley (pictured) were travelling with Mr Mohabir

Marcus had been on a day trip to Brighton with his father and the Beasleys, when a BMW crossed the central reservation and smashed into their Land Rover Freelander.

All five people in the BMW, who were aged between 17 and 20, were killed

Mr Mohabir, from Godalming, Surrey, suffered a broken leg, smashed elbow and internal injuries.

His wife had been at a wedding and was not involved in the accident.

A report into how the accident happened has not yet been released by Sussex Police.

A Sussex Police spokeswoman said the investigation was continuing.