Police are baffled by what appears to be a bloodstain outside a property in a small Waikato town.
The blood was found outside an address on Main St in Te Kauwhata at 7:30am on Thursday.
Police say any incident which contributed to the blood could have occurred late on Wednesday night or early on Thursday morning.
Anyone with information is asked to contact police on 105, or Crimestoppers anonymously on 0800 555 111.