The cluster in Sydney has grown to five with a musician and aged care worker testing positive, NSW Premier Gladys Berejiklian said contact tracers were working rapidly to link the new cases, viral grandmother, Christopher Walken and Mark Hunt.

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Because the news should not be boring. The best stories, told by the world's best journos - right from our newsroom at<a href="http://news.com.au"> news.com.au</a>. Hosted by Andrew Bucklow. Short, sweet, five days a week, and in your ears by 6am. Find more of the world's best stories at<a href="http://news.com.au"> news.com.au</a>, on<a href="https://www.youtube.com/channel/UCtWWry0cgjWi9C0Ye9sh6og"> YouTube</a> or join our WhatsApp channel - just look for<a href="http://news.com.au"> news.com.au</a> and hit follow

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From The Newsroom

Because the news should not be boring. The best stories, told by the world's best journos - right from our newsroom at news.com.au. Hosted by Andrew Bucklow. New episodes weekly and you can also watch on the news.com.au YouTube.

Find more of the world's best stories at news.com.au, on YouTube or join our WhatsApp channel - just look for news.com.au and hit follow.

Because the news should not be boring. The best stories, told by the world's best journos - right from our newsroom at<a href="http://news.com.au"> news.com.au</a>. Hosted by Andrew Bucklow. New episodes weekly and you can also watch on the <a href="http://News.com.au">news.com.au</a> YouTube. Find more of the world's best stories at<a href="http://news.com.au"> news.com.au</a>, on<a href="https://www.youtube.com/channel/UCtWWry0cgjWi9C0Ye9sh6og"> YouTube</a> or join our WhatsApp channel - just look for<a href="http://news.com.au"> news.com.au</a> and hit follow.