Socialite and former architect Louise St John Kennedy was “100 per cent” holding a knife during an alleged attack on her elderly neighbour, according to a witness who captured the incident on video.

The award-winning, retired architect returned to court on Monday to defend herself in a criminal trial over allegations she attacked university professor Prudence Manners on May 9 last year.

The argument was captured on video by a nearby neighbour, which showed the two women in the shared driveway of their Claremont homes.

Ms Kennedy can allegedly be heard yelling “go on you dumb b*tch” at Dr Manners. Police say the video shows Ms Kennedy holding a knife and waving it in front of Dr Manners’ face.

However, Ms Kennedy denies she was holding a knife and that it was a specialist tool called an

See Full Page