New Years Eve restrictions in Sydney have been tightened after NSW reported 18 cases of community transmission of coronavirus and a second cluster of the deadly disease in the inner west. The so-called Avalon cluster on Sydney’s northern beaches, which erupted earlier this month, generated another nine case in the 24 hours to 8pm on December 29. Eight of the nine people are already in isolation for their full 14-day infectious period. The total cases in the hot spot now stand at 138 identified from 17,267 tests and Premier Gladys Berejiklian is urging more people to get tested. Another group of six infected persons – dubbed by health experts as the Croydon cluster – was also revealed on December 30. It includes three adults and three children from the same extended family, who gathered for several events over a number of days. The six are from three different households and …