Overview
- Gwent Police said officers and Welsh Ambulance Service crews were called to an address on Crossway around 6pm on Sunday, where the nine-month-old was pronounced dead at the scene.
 - The dog involved has been seized and removed from the property as officers continue their enquiries.
 - The Welsh Ambulance Service confirmed dispatch of a Cymru High Acuity Response Unit, an advanced paramedic practitioner, a duty operations manager, and an emergency ambulance, supported by the Hazardous Area Response Team.
 - Witnesses reported a large emergency response including armed police and several ambulances; later reports said the cordon was lifted and crime scene investigators moved in.
 - Chief Superintendent John Davies appealed for information, asking the public to call 101 quoting log reference 2500349915 or to contact Crimestoppers anonymously.