Australian police Taser 95-year-old woman with dementia

Clare Nowland in 2008 (Australian Broadcasting Corp via AP)

A 95-year-old woman is in a critical condition two days after Australian police Tasered her at a nursing home as she approached them with a walking frame and a steak knife.

The extraordinary police takedown of dementia sufferer Clare Nowland in the New South Wales state town of Cooma has prompted a high-level police internal investigation.