Holiday travel plans across the country continue to be thwarted as states and territories tighten their borders to prevent coronavirus seeping in from New South Wales and Victoria. The Australian Capital Territory has shut out non-residents who have been in NSW’s northern beaches, greater Sydney, Wollongong and parts of the central coast unless they have an exemption. Those found entering without permission could be fined up to $8,000. ACT residents who have been in one of the NSW hotspots can still return home but need to notify the territory’s health department of their plans via an online form and then quarantine for 14 days. Tasmania has barred anyone directly linked to the latest Victorian virus cases, listing exposure sites where confirmed cases are known to have been. The locations rated “high risk” include a Thai restaurant in Melbourne’s southeastern suburb of Black Rock, which is linked to multiple positive cases. …