1. A fire has engulfed and completely gutted a multi-storey office building in central Sydney.
2. A 15-year-old boy was arrested after a school shooting at Atlantis Beach Baptist College in Two Rocks, Western Australia.
3. The famed Chelsea Flower Show in London was disrupted by climate activists after they crossed a rope barrier and threw orange powder paint over an exhibition.
4. Police wrapped up the latest search effort in the 16-year-old hunt for missing British girl Madeleine McCann.