AM bulletin 21 December 2021

<p>Australia's Chief Medical Officer urges state and territory leaders to mandate masks as National Cabinet prepares to meet to meet on Wednesday; the WHO urges people to consider delaying or cancelling Christmas events due to the emergence of the Omicron variant of COVID-19; and in sport&nbsp;Australia wins the second Ashes Test to take a two-nil series lead.</p><img src="https://feedpress.me/link/18263/14964962.gif" height="1" width="1"/>