South Australia faced a string of new coronavirus bans overnight  and multiple border restrictions as authorities launched a rapid response to extinguish a feared second COVID-19 waveTasmania, the Northern Territory and WA have slammed their borders shut to South Australia, causing chaos for travellers.Australian companies are rushing to bid for contracts on the $90bn Future Submarines project, after expressions of interest opened for $900m worth of work.Plans for the summer  have  been thrown into chaos as Australian Test captain Tim Paine, batsman Matthew Wade and all-rounder Cameron Green were forced into isolation following the COVID-19 outbreak in Adelaide.For updates and breaking news throughout the day take out a subscription at advertiser.com.au