Masks must be worn indoors and restrictions are back after Victoria recorded another five cases of COVID-19 in Melbourne’s northern suburbs. Acting Premier James Merlino announced that from 6 p.m. on Tuesday, home gatherings will be limited to five visitors per day, while public gatherings will be restricted to 30 people. Masks will again become mandatory indoors for people aged 12 and over, though they can be taken off for eating, drinking and exercise. Schools and workplaces will remain open, as will shops, cafes, restaurants and pubs, however existing density limits apply. The new restrictions apply only to greater Melbourne, or people travelling into regional Victoria. But visitor restrictions will also be introduced at hospitals and aged care facilities across the state. The restrictions will be in place until at least June 4. “This is about giving our contact tracers the time that they need to track this matter down …