Subscribe and set 🔔 » https://7news.link/YTSubscribe | Two Australian brothers believed to have been murdered while on a surfing trip in Mexico. Plus, Melbourne's knife crime chaos after an attack in the south-east overnight, the third knife incident in days. And Queensland's youth crime shame revealed in shock new statistics. KEY MOMENTS IN THIS VIDEO | CHAPTERS 0:03 Murder investigation in Mexico as two Aussies believed to be victims 2:15 Stabbing in Ormond, Melbourne 3:35 Sydney rain event 4:00 New speed cameras in NSW 4:59 Shock new youth crimes stats for QLD 5:25 Facebook Marketplace robbery 6:13 loose Zebra caught 6:47 AFL news 7:35 NRL news 8:10 Formula 1 news 8:49 Weekend weather update 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 #topnews