Four teenagers and a man and a woman died in the crash
Drug and alcohol tests carried out on two drivers who were killed along with four more people in a head-on crash in Nottinghamshire have proved negative.
Ross Johnson, 19, Thomas Hudson, 17, Jay Thompson, 18, and Joshua Drinkwater 18, died in the crash on the A614 near Bilsthorpe on 13 February.
Jonathan and Christine Bray, of Thoresby Avenue, Edwinstone, also died.
A Nottinghamshire Police spokeswoman confirmed the tests were negative for both Ross Johnson and Jonathan Bray.
Nottinghamshire Coroner Dr Nigel Chapman has pledged to investigate the crash quickly.
At the opening of the inquests into the victims' deaths Dr Chapman said the cause of death for Mrs Bray was multiple injuries. The cause of death for the other five victims was multiple injuries and severe burns.
He added the they were probably dead or unconscious before the cars caught fire.
The inquest has been adjourned.