Sydneysiders are bracing for the worst rail strike on record but in an eleventh-hour agreement the commuter chaos has been delayed by a few hours; Ukraine's military used American-made ballistic weapons to strike into Russia for the first time, and hit an ammunition depot; The G20 summit in Brazil has wrapped up without an agreement by global leaders on a clear way forward on conflicts and climate change.

7NEWS Headlines with Ann Sanders for November 20, 2024.

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