Police in Christchurch are seeking witnesses and missing evidence from an assault on a taxi driver.
The incident occurred on Tuesday night, when the driver was stabbed several times with a sharp object by a passenger who refused to pay.
He was taken to Christchurch Hospital suffering lacerations to his chest.
A man, 19, has appeared in the Christchurch District Court on charges relating to the incident.
Police are appealing to residents in the Tancred Street - Linwood Avenue area to check their gardens for unusual items including a sharp object and a shoulder bag.