Police were enforcing government social distancing and mass gathering regulations across the country on the weekend. In Canberra, ACT Police were called to a party of Australian Federal Police recruits on Friday night and have since handed the matter over to the AFP for further investigation.

Meanwhile, thousands of people to test positive for the coronavirus in Australia have recovered.

“We estimate that over 2000 people have fully recovered from the virus already in Australia,” Chief Medical Officer Professor Brendan Murphy said this afternoon.

“We’re increasingly confident that if people continue to adhere to what we’ve been asking them to do, we can prevent a situation like we’ve seen in many other countries of the world.”

Some states reported their total recovery figures on Sunday, with 573 in Victoria, 148 in WA and 51 in SA.

An investigation has been launched in NSW into actions surrounding the docking of the Ruby Princess cruise ship in Sydney last month. At least 11 passengers, among the thousands allowed to disembark, have died.

“The only way I can get to the bottom of whether our national biosecurity laws and our state laws were broken is through a criminal investigation,” NSW Police Commissioner Mick Fuller said on Sunday.

WA will implement a hard border closure at 11.59pm, applying to everyone including locals who are interstate or overseas and must submit an exemption form for access.

Dozens of hoons were slapped with a $1334 fine after having no explanation for breaching home confinement rules to attend a car rally in Brisbane.

Earlier on Sunday, Annastacia Palaszczuk warned residents of Queensland she’d “shut down” markets if social distancing measures were not followed “immediately”.

Dozens of refugees have protested at a makeshift detention centre in inner Brisbane, worried about the spread of the coronavirus given the cramped conditions they’re living in.

READ MORE: Follow the latest coronavirus news here

The total number of confirmed COVID-19 cases in Australia now stands at 5689.

There are 2580 cases in NSW, 1135 in Victoria, 907 in Queensland, 453 in Western Australia, 409 in South Australia, 96 in the Australian Capital Territory, 82 in Tasmania and 27 in the Northern Territory.

The national death toll stands at 35. Four of the five deaths reported on Sunday were people who travelled on the Ruby Princess.

Below is our rolling coverage for Sunday, April 5.