NewsUK NewsSouth Wales PoliceSouth Wales Police have issued a major update following a collision in Gorseinon, Swansea earlier today involving a car and an off-road bike that left a teenager dead and another injured23:32, 09 Jul 2026Updated 23:35, 09 Jul 2026A teenager has sadly died and another has been injured in a crash that has seen an 18-year-old arrested on suspicion of murder.Multiple streets in the Gorseinon area of Swansea were closed throughout Thursday afternoon and evening as police coordinated a major response to what they described as a "serious incident". A collision involving a car and an off-road bike has lead to a murder investigation being launched.A significant police presence remains in the area while emergency services continue to deal with the incident. The Welsh Ambulance Service had earlier said it was called to two incidents just minutes apart.“We were called today at 12.59pm to an incident in Gorseinon," a spokesman said."We sent one Cymru High Acuity Response Unit and an emergency ambulance to the scene. Advanced critical care support was delivered by the Emergency Medical Retrieval and Transfer Service in a Wales Air Ambulance charity helicopter. One patient was conveyed by road to hospital.“Additionally we were called at 1.10pm to another incident in Gorseinon. We sent one Cymru High Acuity Response Unit, a duty operations manager, and an emergency ambulance to the scene.”A South Wales Police spokesperson said: "Officers were called to Pen Cae Crwn Road, Gorseinon, Swansea at 12:58pm today (Thursday July 9) following a report of a collision involving a car and an off-road bike."Paramedics attended and one man was pronounced dead at the scene. Whilst formal identification has not yet taken place, the family of an 18-year-old from Swansea has been informed. A second man, aged 19, has been taken to hospital with injuries."An 18-year-old man from Morriston, has been arrested on suspicion of murder, driving a motor vehicle dangerously, driving a motor vehicle whilst unfit through drugs and driving a motor vehicle with a proportion of a specified controlled drug above the specified limit and remains in police custody."Detective Chief Inspector Danielle Thorne of the Major Crime Investigation Team said: "I understand the concern in the local community as a result of this investigation and want to thank them for their continued patience and understanding at this time. There is significant police activity in the area, and will continue to be for several hours, however we are working at pace to conduct enquiries in this complex investigation."Pen Cae Crwn Road is currently closed between Cecil Road from the junction of High Street to Pen-Cae Crwn Road to the junction of Frampton Road. Brighton Road, Brynteg Road and Pontardulais Road are also closed. We have significant resources working to lift these road closures as soon as possible. I ask residents in need urgent egress or entry to please speak to an officer at the scene who will support you as required.Article continues below"Lastly, I would appeal to any witnesses who are yet to speak to officers, or anyone with dashcam or CCTV/doorbell footage to get in touch via this link. We are particularly keen to hear from anyone with footage from the following roads, between 8am and 2.30pm today (July 9):Pen Cae Crwn RoadPontardulais RoadBrynteg RoadCecil RoadHeol Y MynyddThe track road between Cecil Road and Heol Y MynyddBrighton Road."Alternatively, you can call 101 quoting reference 2600218457 or contact Crimestoppers anonymously via this link.Choose Daily Mirror as a 'Preferred Source' on Google News for quick access to the news you value.‌South Wales PoliceCCTVHospitalsMurderCCTV footage