SYDNEY: In view of increasing coronavirus cases in Sydney, the capital was isolated from the rest of Australia on Sunday. South Australia state imposed a 14-day quarantine for Sydney arrivals on Sunday and banned travellers from affected suburbs. Sydney got isolated after all of the country`s states and territories imposed travel restrictions on its residents as a coronavirus cluster in the city grew to around 70. The Australian Capital Territory (ACT) sent a stern `do not come to us` message to Sydney, warning its residents they would be quarantined for 14 days if they arrived. The ACT health department said, "If you are not an ACT resident and have been in greater Sydney...our message is simple: do not travel to the ACT." The states of Victoria and Queensland, and the Northern Territory, banned people arriving from Sydney, the country`s most populous city of more than five million people,as of Monday. Queensland police will reintroduce road checkpoints at the New South Wales (NSW) state border to help enforce the new declaration of greater Sydney as a COVID-19 hotspot. Also Read: Netherlands Ban flights from UK due to new Covid 19 strain risk Indian Boxers bagged nine medals at Cologne Boxing World Cup 2020 NATO checking systems after US cyberattack