The hunt for a dangerous convicted killer has entered its third day.

Police are appealing to the public for sightings of 22 year old Katrina Epiha, who has a warrant to arrest after escaping custody in Auckland.

During an alcohol-fuelled rage, Epiha fatally stabbed 32-year-old mother Alicia Maree Nathan, also known as Robinson, and threatened to kill another woman at an Avonhead, Christchurch, property in August 2017.

Epiha was been sentenced to life imprisonment at the High Court in Christchurch last year.

Katrina was last seen at around 12.30am on Friday towards Gray Avenue in Mangere after fleeing from Corrections staff while at Middlemore Hospital.

Katrina is considered dangerous and should not be approached by the public.

If you see her, phone 111 immediately.

Katrina has large distinctive tattoos on both sides of her face.

She was last seen wearing a black long-sleeved top with a white shirt underneath, grey track pants and light pink running shoes.

Anyone with information about Katrina Epiha’s whereabouts or possible sightings is urged to call Counties Manukau Police on 09 261 1321.