Parents at a Western Sydney school are demanding stronger security after a student threatened peers and teachers with a knife. Subscribe and set 🔔 » https://7news.link/YTSubscribe | Chapters in this video: 00:00: Western Sydney school lockdown 01:40: Tarryn Thomas in hot water 03:26: Social media on notice 04:26: High-country murder trial 04:56: Air Vanuatu in trouble 05:14: Melbourne bomb scare 06:18: Gold Coast caravan inferno 07:30: Finance 08:06: Sperm whale language For the latest Australian news and breaking news alerts, connect with 7NEWS online: Visit » https://7news.com.au/ 7NEWS Podcast » http://smarturl.it/7NewsDaily Facebook » https://www.facebook.com/7NewsAustralia Twitter » https://twitter.com/7NewsAustralia Instagram » https://www.instagram.com/7newsaustralia/ 7NEWS combines the trusted and powerful news brands including Sunrise, The Morning Show, The Latest, and 7NEWS.com.au, delivering unique, engaging and continuous coverage on the issues that matter most to Australians. Watch 7 News Australia full broadcasts and full episodes nightly at 6pm and weekdays at 11:30am and 4pm on Channel 7 and 7plus. #BREAKINGNEWS #7NEWS