Police are investigating the unexplained death of a woman discovered unresponsive at a Christchurch motel on Colombo Street in the central city area. Emergency services responded to a call at approximately 3:20 am on Saturday. Despite their efforts, the woman could not be revived. A scene examination is currently underway and is expected to take a considerable amount of time. Law enforcement will maintain a visible presence in the vicinity throughout the investigation, which is in its initial stages. Authorities have stated that further updates will be provided as the investigation progresses.