Victoria has recorded three new locally acquired coronavirus cases overnight, as hopes of emerging from the state’s seven-day lockdown on time are starting to fade. The Health Department on Tuesday confirmed a total of nine locally acquired cases, though six of these were already reported by Acting Premier James Merlino on Monday. It brings the total number of active cases in the outbreak to 54. Some 42,699 Victorians were tested in the 24 hours to Tuesday morning, while 20,484 were vaccinated. There are now more than 300 exposure sites linked to the outbreak and 4000 close contacts self-isolating, of which about 80 per cent have returned negative tests. Of greatest concern to authorities are three cases linked to an aged care facility in Melbourne’s northwest. Two workers at Arcare Maidstone and a 99-year-old resident have tested positive for COVID-19, prompting the federal government to scramble to complete vaccinations in aged …