Last Sunday, tens of thousands marched across the Sydney Harbor Bridge in support of Gaza. But exactly how many people were there depends on whom you ask. It's far from the first time crowd numbers ...
You could help minimise harm in a public attack. Here’s what it means to be a ‘zero responder’
The tragic Westfield attack in Sydney highlights the vulnerability of crowded public spaces. Six people were killed and many were injured by a knife-wielding attacker in a short period of time.
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