The victim is currently in serious condition, and police are continuing to investigate the circumstances surrounding the incident.
Emergency services were called to the scene, where the injured man received immediate medical attention before being transported to the hospital. Authorities have not yet provided further details on the nature of his injuries, but his condition remains critical.
In addition to the 15-year-old suspect, a 16-year-old girl has also been arrested in connection with the incident. She was taken into custody on suspicion of affray and remains under police custody as investigations continue.
Dorset Police have cordoned off the area around the house to gather evidence and are appealing for witnesses or anyone with information to come forward. The investigation is ongoing, and more details will be released as they become available.
Residents in the area are advised to expect an increased police presence as the investigation unfolds.
Anyone with information is urged to contact Dorset Police by calling 101 or anonymously through Crimestoppers at 0800 555 111.
