A house in Riccarton appears to be part of a police investigation into an “unexplained” death.

Police were called to Matipo Street, near Elizabeth Street in Riccarton just before 4AM.

Police say the death is “unexplained”

Forensic police staff and detectives were still at the scene at 1pm.

A police photographer in a boiler suit was taking photos of the scene earlier this morning and a police tent was erected over an area on Matipo Street where blood stains were visible.

Medical equipment on the road, near the gutter was also covered up by the tent.

Orange police markers have been laid out on the footpath, leading from house on Matipo Street to where the police tent is located, just metres away.

A police command unit remains near the scene.