Seven arrests over Hemsworth quad bike deaths
Seven men have been arrested in connection with a collision between a quad bike and a sports car which killed four people from West Yorkshire.
Terrie Kirby, 16, Alexandra Binns, 18, Ryan Beal, 20, and Brandon Brown, 20, died following the crash between Upton and Hemsworth early on 27 September.
Three died at the scene, and one of the men died in hospital from his injuries.
West Yorkshire Police said two men, who were arrested and released in September, had been re-arrested.
The men from the Nissan 350Z sports car involved in the collision, aged 21 and 23, are currently being held by police on suspicion of causing death by dangerous driving and conspiracy to pervert the course of justice.
Three other men, aged 28, 19 and 22 and all from the Barnsley area, were arrested on suspicion of dangerous driving and conspiracy to pervert course of justice.
A 22-year-old from Barnsley and a 19-year-old from Penistone have been arrested on suspicion of conspiracy to pervert the course of justice.
All seven remain in police custody for questioning.
Det Chf Insp Richard Holmes, of West Yorkshire Police, said: "I would ask anyone who saw the collision, or who saw a bronze coloured Nissan 350Z driven in the Hemsworth area on the evening of 26 September and up to 00.30 GMT on 27 September to come forward."