Police investigating the apparent killing of Raymond Piper say people have reported sightings of two cars linked to the case.

Police say they have evidence missing Kapiti man Raymond Piper has died a violent death.

Raymond 'Son' Piper has not been seen since May 15 when he disappeared from Paraparaumu.

Police are still working through possible sightings of a vehicle that might have been involved in the disappearance of missing Kapiti Coast man Raymond 'Son' Piper.

The body of an 18-month-old toddler has been found as police also investigate the death of a woman believed to be the girl's mother.

18-year-old Jiayi Li's body was discovered in the boot of her car, which was found in Hamilton last night.

The search continues today for missing Chinese student Jiayi Li, who was last seen in the Auckland suburb of Kingsland a fortnight ago.

A 42-year-old Feilding man entered no plea in court today after last night being charged with the murder of Wanganui woman Marice McGregor.

London police have confirmed a body recovered from the River Thames is that of missing New Zealander Johnny Sleigh.