Good morning. Thomas Morgan here with your AM NewsMail. An ABC investigation has identified the man responsible for waving a black flag made infamous by Islamic State on the Sydney Harbour Bridge.

Plus, the property market's mismatch and how to fix it, dire warnings for the Antarctic, and what scientists learnt from a 2.2-billion-year-old explosion.

What's the story? Sydney cleric Wisam Haddad is working with a convicted terrorism recruiter to exploit the pro-Palestinian movement, radicalise Australian teens and feed Islamic State's revival, an ABC investigation reveals.

Our investigation also identifies another man with connections to Haddad caught on camera flying a black flag and ambushing an anti-war protester on the Sydney Harbour Bridge this month. Youssef Uweinat, 27, is a convicted IS youth recruiter who once promised suicide attacks and walked free from jail less than two years ago.

• Offensive underway: As public anger towards the Netanyahu government's handling of Gaza grows, the country's military has confirmed it has begun its operation to take over the territory's largest city. The plans to occupy Gaza City have drawn international condemnation and protests within Israel itself.
• Tensions within the Netanyahu government: As the Israeli military seeks 60,000 reservists to fight in its new campaign, we talk to the citizens refusing to answer the call . It's symbolic of the growing rift between the Israeli government and its military.

• Big properties, small households: There's a fundamental mismatch at the heart of Australia's property market, new analysis shows. And while experts can list out the possible solutions to this misalignment, it will require some political bravery.
• NDIS shake-up: As the productivity roundtable moves onto the ever-topical issues of budget sustainability and tax reform , hard realities are setting in for users of the NDIS. Yesterday saw the government announce a new, separate scheme for children with mild to moderate developmental delays and autism.
• Analysis with David Speers: Sally McManus has been feeling a bit lonely at this week's economic reform roundtable. Far from the "union stitch-up" the Coalition had warned of, this week has seen the ACTU's ideas dismissed.
• PLUS: Why have so many hand car wash services replaced automatic machines? The reason behind that helps demonstrate why Australia's productivity is one of the worst in the developed world