A cyclist has been seriously injured in a crash that saw two teenagers arrested.

Police officers were called by the ambulance service at 9.44pm on Tuesday following a collision.

The crash, at the junction with Portchester Lane and Skew Road, involved a silver Honda Jazz and a cyclist.

The cyclist, a 16-year-old man from Portsmouth, suffered serious injuries and is being treated in hospital.

An 18-year-old man from Gosport has been arrested on suspicion of causing serious injury by dangerous driving and drug driving.

A 17-year-old man from Lee-on-the-Solent has been arrested on suspicion of causing serious injury by dangerous driving.

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Both remain in custody.

A spokesperson from Hampshire Constabulary said: “As part of our investigation we would like to speak to anyone who saw either vehicle travelling along Portsdown Hill Road – we believe in a westbound direction.

“We would also like to speak to any witnesses to the collision and anyone with relevant dash cam footage.

“If you have any information, please contact us on 101, quoting reference number 44240347160.

“You can also make a report online.

“Alternatively contact Crimestoppers anonymously on 0800 555 111.”