Man charged after punching a woman who lost consciousness in St Marys

By Rose Powell
Updated April 19 2015 - 1:19pm, first published 12:25pm
Police and the ambulance attend to the victim of a one-punch assault in St Marys on Saturday evening. Photo: Supplied
Police and the ambulance attend to the victim of a one-punch assault in St Marys on Saturday evening. Photo: Supplied
Paige Patello was nearby when the assault occured and said her friend was punched shortly after asking to borrow a lighter. Photo: Supplied
Paige Patello was nearby when the assault occured and said her friend was punched shortly after asking to borrow a lighter. Photo: Supplied

A young man has been charged after allegedly punching a woman across the face and causing her to lose consciousness in Sydney's west on Saturday night.