Seven new high-risk coronavirus exposure sites have been identified in Melbourne as Victorians begin their first day of a snap five-day lockdown.

The Premier stood by his comments on the use of a nebuliser at hotel quarantine but ducked detailed questions about the situation.

Nestle, Hershey and Mars are among the companies named in the suit.

North Melbourne coach David Noble expects Paul Roos to be a great resource for him personally and the football club overall.

A British judge ruled last month that while the case against the Australian was sound, his fragile mental health put him at “substantial risk” of committing suicide in a US prison.