South Australia will be in lockdown from tonight after recording a further two new cases of Covid overnight, bringing the total for the state to five. From 6pm on Tuesday night, the entire state will enter seven days of lockdown with only five reasons for people to leave her homes. 'We are dealing with a different highly contagious variant. We have seen this in Victoria. We don't want this moving across our state as we have seen elsewhere,' Premier Steven Marshall said on Tuesday. South Australia is dealing with an outbreak of five Covid cases of the delta variant. Pictured: Health workers perform tests at the Covid-19 testing facility in Victoria Park, Adelaide