(Image: AAP/Joel Carrett)

Stock market shock

The Australian stock market has tumbled by 5% (more than $100 billion) this morning -- with the ASX 200 dropping below the 6000-point barrier, its worst day since the global financial crisis.

Italy on lockdown

Italy has placed 16 million people -- including all 10 million in the northern region of Lombardy -- under quarantine, prohibiting travel and cancelling all public events in the affected area.

The move, also affecting parts of tourist hotspots Milan and Venice, affects a quarter of Italy's population.