Two men remain in custody on suspicion of murder and causing serious injury by dangerous driving.
The arrests come after a 17-year-old boy was killed in a crash in the early hours of Tuesday, October 4. Police and paramedics rushed to the scene at the junction of Park Road and Boardmans Lane, in St Helens.
Officers confirmed that the crash involved a car and two motorcycles and that three people were taken to hospital. Harley Lea, 17, died in hospital a short time later. Two others are receiving treatment for serious injuries.
