A man who stabbed a woman so viciously that he bent a large knife admitted to police he "wanted to kill" her

Forty-year-old Saunoa Vaigafa was charged with attempted murder after the late-night attack in Timaru bin May.

Through a Samoan translator - Vaigafa today pleaded guilty in the High Court in Christchurch to one charge of attempted murder.

The summary of facts shows Vaigafa chased his victim down the driveway with a kitchen knife.

He then stabbed her four times in the back and shoulders - the pair struggling until police arrived at the scene.

Vaigafa's been remanded in custody until sentencing in October.