Police will crack down on virus-hit areas of south-west Sydney from Friday More than 100 extra police officers will surge into the area beginning at 7am Overnight, NSW reported its highest number of daily cases - 38 - in a year 21 were from three council areas: Fairfield, Liverpool, Canterbury-Bankstown Premier Gladys Berejiklian pleads with locals: 'Please avoid visiting family' Senior policeman suggests shoppers could be stopped from buying shoes