Sydney Woolworths, Coles, Aldi customers warned about empty shelves during lockdown<br/><a href="https://www.news.com.au/finance/business/retail/why-woolworths-coles-and-aldi-shelves-across-sydney-are-looking-bare/news-story/5a0467f1139f6b109002588ba1fccc3b" rel="noreferrer noopener" target="_blank">news.com.au</a>