Born Of Osiris and Chelsea Grin have announced a co-headlining Australian tour. Diamond Construct will serve as support. Here’s the dates: 06/20 Gold Coast, AUS – Soundlounge 06/22 Brisbane, AUS – The Brightside 06/23 Newcastle, AUS – Newcastle Hotel 06/24 Sydney, AUS – The Crowbar 06/25 Canberra, AUS – The Basement 06/27 Melbourne, AUS –…