A 17-year-old schoolgirl, Lainie Williams, has been found dead in her home following a violent attack that also left her mother injured. The incident occurred early on Thursday morning in Blackwood, South Wales, prompting a police investigation into the circumstances surrounding the tragedy. Lainie was discovered in a pool of blood at their semi-detached house, while her mother, Rhian Stephens, 38, managed to escape despite sustaining injuries. An 18-year-old man from nearby Newbridge has been arrested on suspicion of murder and attempted murder and is currently in police custody. Local residents expressed their shock and grief over the incident. One neighbour described Lainie as the "loveliest, kindest person who had a lot of friends," adding that the community is devastated. Another local, Michelle Davies, lamented, "That poor girl had everything to live for and now she is gone. At least the mother survived but she will never get over what she witnessed." The police were alerted to the situation shortly after 7am, following a 999 call reporting the attack. Officers, including firearms units, arrived at the scene around 7:15am. Paramedics from the Welsh Ambulance Service and the Welsh Air Ambulance were also dispatched. Tragically, Lainie was pronounced dead at the scene. Detective Superintendent Philip O'Connell, the senior investigating officer, confirmed that authorities are not seeking any additional suspects in connection with the case. He stated, "We understand that reports of this nature can be concerning, and it is likely that residents will see an increased number of officers in the area while we carry out further enquiries. If anyone has any information, please speak to our officers or contact us in the usual way." Rhian is currently receiving treatment in hospital, and the community continues to mourn the loss of a young life cut short in such a tragic manner.