AM bulletin 20 December 2021

<p>In this bulletin, the New South Wales opposition keeps up the pressure for a mask mandate as scientists race to understand the Omicron variant; a&nbsp;specialist forensic team from New South Wales to assist the investigation into the jumping castle tragedy; and in sport,&nbsp;Australia on the verge of victory after the fourth day of the second Ashes test.</p><img src="https://feedpress.me/link/18263/14962939.gif" height="1" width="1"/>